Hellow guys, Welcome to my website, and you are watching ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12. and this vIdeo is uploaded by Numberphile at 2014-01-09T06:52:18-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.