Base | Representation |
---|---|
bin | 100101010110000100… |
… | …0111111111100110110 |
3 | 21200000002122122122020 |
4 | 1022230020333330312 |
5 | 2303221021422244 |
6 | 100501525414010 |
7 | 5536240043112 |
oct | 1125410777466 |
9 | 250002578566 |
10 | 80197451574 |
11 | 310144093a9 |
12 | 13661b6a306 |
13 | 7741009176 |
14 | 3c4b096742 |
15 | 21459c2d19 |
hex | 12ac23ff36 |
80197451574 has 16 divisors (see below), whose sum is σ = 161982972720. Its totient is φ = 26467805600.
The previous prime is 80197451561. The next prime is 80197451591. The reversal of 80197451574 is 47515479108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66168909 + ... + 66170120.
It is an arithmetic number, because the mean of its divisors is an integer number (10123935795).
Almost surely, 280197451574 is an apocalyptic number.
80197451574 is an abundant number, since it is smaller than the sum of its proper divisors (81785521146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80197451574 is a wasteful number, since it uses less digits than its factorization.
80197451574 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132339135.
The product of its (nonzero) digits is 1411200, while the sum is 51.
The spelling of 80197451574 in words is "eighty billion, one hundred ninety-seven million, four hundred fifty-one thousand, five hundred seventy-four".
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