[surine]

Looks like golden ratio (phi, about 1.618) * 2^30. Maybe something to do with Knuth's Surreal Numbers? (http://www-cs-faculty.stanford.edu/~uno/sn.html)

[praptak]

Maybe the answer to this question sheds some light on that: http://cstheory.stackexchange.com/questions/9639/how-did-knu...