C# - Data Types & Type Detection

using System;

namespace LearnCS
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = 5;
            float fNumber = 5.521F;
            double dNumber = 10.56454654D;
            long lNumber = 734689172634978653L;

            string someString = "Bunch of Words";
            char zChar = 'Z';

            double sciNumber = 15.36E23D;

            Console.WriteLine("Value: " + number + " Datatype: " + number.GetType());
            Console.WriteLine(fNumber);
            Console.WriteLine(dNumber);
            Console.WriteLine(lNumber);
            Console.WriteLine(someString);
            Console.WriteLine(zChar);
            Console.WriteLine(sciNumber);

            Console.WriteLine("---------------------------------------");

            Console.WriteLine(number.GetType());
            Console.WriteLine(fNumber.GetType());
            Console.WriteLine(dNumber.GetType());
            Console.WriteLine(lNumber.GetType());
            Console.WriteLine(someString.GetType());
            Console.WriteLine(zChar.GetType());
            Console.WriteLine(sciNumber.GetType());
        }
    }        
}