Base | Representation |
---|---|
bin | 100100110110010010… |
… | …1100100100000000000 |
3 | 21120020210022102202020 |
4 | 1021230211210200000 |
5 | 2244030041340423 |
6 | 100204040121440 |
7 | 5500642045335 |
oct | 1115445444000 |
9 | 246223272666 |
10 | 79131199488 |
11 | 30617554430 |
12 | 13404a66280 |
13 | 7601143383 |
14 | 3b8962098c |
15 | 20d20a64e3 |
hex | 126c964800 |
79131199488 has 96 divisors (see below), whose sum is σ = 230143848480. Its totient is φ = 23979130880.
The previous prime is 79131199471. The next prime is 79131199507. The reversal of 79131199488 is 88499113197.
It is a tau number, because it is divible by the number of its divisors (96).
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, 517845 + ... + 653012.
It is an arithmetic number, because the mean of its divisors is an integer number (2397331755).
Almost surely, 279131199488 is an apocalyptic number.
It is an amenable number.
79131199488 is an abundant number, since it is smaller than the sum of its proper divisors (151012648992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79131199488 is a wasteful number, since it uses less digits than its factorization.
79131199488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1170893 (or 1170873 counting only the distinct ones).
The product of its digits is 3919104, while the sum is 60.
The spelling of 79131199488 in words is "seventy-nine billion, one hundred thirty-one million, one hundred ninety-nine thousand, four hundred eighty-eight".
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