In Douglas Adams' book The Hitchhikers' Guide to the Galaxy, a vast computer named Deep Thought spends several eons constructing an answer to Life, the Universe, and Everything.
via http://venturebeat.com/2013/05/18/will-googles-new-nexus-q-the-h2g2-42-be-the-answer-to-life-the-universe-and-everything/
