public static void Main()
var reallyBigNumber = long.MaxValue - 100;
var castToInt = (int)reallyBigNumber;
var reallyBigNumberBinary = Convert.ToString(reallyBigNumber, 2);
var castToIntBinary = Convert.ToString(castToInt, 2);
Console.WriteLine(reallyBigNumber);
Console.WriteLine(castToInt);
Console.WriteLine(reallyBigNumberBinary);
Console.WriteLine(" " + castToIntBinary);