Yes, in the book of large numbers, there is a page between 13,256,278,887,989,457,651,018,865,901,401,704,639 and 13,256,278,887,989,457,651,018,865,901,401,704,641 where it has in giant block type "This page left intentionally blank due to copyright request by the MPAA"
Well, the number 13,256,278,887,989,457,651,018,865,901,401,704,640 is actually copyrighted.