int Find_N_Number(unsigned int value)
{
    int MaxRange = 129;
    int MinRange = 97;
    int StartNumber = 0;
    bool inRange = false;
    unsigned int result, test;

    do
    {
        test = value + StartNumber * 33;
        if (test >= MinRange && test <= MaxRange)
        {
            inRange = true;
            result = StartNumber;
        }
        else {
            ++StartNumber;
        }


    } while (inRange == false);

    return result;
}
////// the test code.
unsigned int value = 2520255578;
value -= 0x1505;

unsigned int ch, n;
char resultStr[100] = "";
int i = 0;
do
{
    ch = value % 33;
    n = Find_N_Number(ch);
    ch = ch + (n * 33);
    resultStr[i] = ch;
    ++i;
    value = (value - ch) / 33;
} while (value > 0);