A billion is 1 followed by 9 zeroes, or 1,000,000,000. 27 billion billion billion would be 27 followed by 27 zeroes, or 27e27. In long form: 27,000,000,000,000,000,000,000,000,000 In words, twenty seven octillion.
10000000001000000000 = 10,000,000,001,000,000,000
1,000,000,000,000,000,000(billion billion)- 6,000,000,000 = 999,999,994,000,000,000. in words it is nine hundred ninety nine million nine hundred ninety nine thousand nine hundred ninety four hundred...
1,000,000,000 x 1,000,000,000 x 1,000,000,000 = 1,000,000,000,000,000,000,000,000,000
1 billion billion equals about 167 million.