Angka Terbilang C++

#include <iostream>

using namespace std;

void terbilang(int angka){
    int x = angka;
    if(x==1) cout <<    "Satu ";
    else if(x==2) cout << "Dua ";
    else if(x==3) cout << "Tiga ";
    else if(x==4) cout << "Empat ";
    else if(x==5) cout << "Lima ";
    else if(x==6) cout << "Enam ";
    else if(x==7) cout << "Tujuh ";
    else if(x==8) cout << "Delapan ";
    else if(x==9) cout << "Sembilan ";
    else if(x==10) cout << "Sepuluh" ;
    else if(x==11) cout << "Sebelas ";
    else if(x>=12&&x<=19){
        terbilang(x%10);
        cout << "Belas ";
    }else if(x>=20&&x<=99){
        terbilang(x/10);
        cout << "Puluh ";
        terbilang(x%10);
    }else if(x>=100&&x<=199){
        cout << "Seratus ";
        terbilang(x-100);
    }else if(x>=200&&x<=999){
        terbilang(x/100);
        cout << "Ratus ";
        terbilang(x%100);
    }else if(x>=1000&&x<=1999){
        cout << "Seribu ";
        terbilang(x-1000);
    }else if(x>=2000&&x<=999999){
        terbilang(x/1000);
        cout << "Ribu ";
        terbilang(x%1000);
    }else if(x>=1000000&&x<=999999999){
        terbilang(x/1000000);
        cout << "Juta ";
        terbilang(x%1000000);
    }
}

int main(){
    int angka;
    cout << " Masukan angka > "; cin >> angka;
    terbilang(angka);
}
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