Quindecillion

3 quindecillion, 657 quattuordecillion, 262 tredecillion; which is to say the figures 3,657,262 followed by 42 ciphers. Operators of the key punch machines transfer a code symbol from the Census ….

One supernova, in 1054, was thought by many to herald the biblical Day of Judgment. We have reached an energy level of 10 quindecillion ergs, or 10⁴⁹ ergs.