Kaspichan Numbers

gistfile1.txt

using System;

class KaspichanNumbers
{
    static void Main()
    {
        ulong number = ulong.Parse(Console.ReadLine());
        string[] kaspichanBaseNumbers = new string[256];
        int counter = 1;
        for (int i = 0; i < 26; i++)
        {
            kaspichanBaseNumbers[i] = "" + (char)(i + 65);
            //Console.WriteLine(kaspichanBaseNumbers[i]);
        }
        for (int i = 26; i < 235; i += 26)
        {
            for (int j = 0; j < 26 && (i + j) < 256; j++)
            {
                kaspichanBaseNumbers[i + j] = "" + (char)(counter + 96) + (char)(j + 65);
                //Console.WriteLine("{0}.{1}",(i+j),kaspichanBaseNumbers[i+j]);
            }
            counter++;
        }
        string rezultNumber = String.Empty;

        if (number == 0)
        {
            rezultNumber = kaspichanBaseNumbers[0];
        }
        else
        {
            while (number > 0)
            {
                int reminder = (int)(number % 256);
                rezultNumber = kaspichanBaseNumbers[reminder] + rezultNumber;
                number /= 256;
            }
        }
        Console.WriteLine(rezultNumber);
    }
}