Even Digit Sum

#include <iostream>
#include <stdio.h>
#include <cstdlib>
unsigned short int sum, modulo, base;
unsigned long long int n;
bool current;
bool baseConvertDigitMod(unsigned long long int number, unsigned short int baseTo)
{
    sum = 0;
    while (number > 0)
    {
        modulo = number%baseTo;
        sum += modulo;
        number /= baseTo;
    }
    if ((sum & 1)== 0)
        return false;
    else return true;
}
int main()
{
    n = 64;
    for (n = 60000000000; n < 80000000000; n += 2)
    {
        current = true;
        for (base = 2; base < 100; base+=2)
        {
            if (baseConvertDigitMod(n, base))
                break;
        }
        if (base > 50)
        {
            printf("%15llu %hu \n", n,base-1);
        }
    }
    printf("%s", "Done!");
    return 0;
}