76561198047860930

or do what I used to do and use an android emulator (or iOS emulator if you're so inclined) and one of those free temporary SMS numbers. of course once the number you pick goes premium you're SOL but it should work fine as long as nothing goes wrong with your login. if you want to try it I'd recommend anything but bluestacks.

3183 hours. I've probably gotten around 20 hat drops, with my most recent one dropping last night. (I also got 2 Blood Bankers from drops back when they were worth a key)