using System;

public class Program

{

    public static void Main()

    {

        var value = 20160513225918;

​

        new DateTime(

            (int)(value / 10000000000),

            (int)(value / 100000000 % 100),

            (int)(value / 1000000 % 100),

            (int)(value / 10000 % 100),

            (int)(value / 100 % 100),

            (int)(value % 100)).ToString().Dump();

​

    }

}