Base | Representation |
---|---|
bin | 100111110110111100… |
… | …110011001100110110 |
3 | 11002110122200111022000 |
4 | 213312330303030312 |
5 | 1200122221323113 |
6 | 31354442120130 |
7 | 3043366426164 |
oct | 476674631466 |
9 | 132418614260 |
10 | 42797839158 |
11 | 171722a0008 |
12 | 8364ab0046 |
13 | 40609040a9 |
14 | 20dddcc234 |
15 | 11a7446373 |
hex | 9f6f33336 |
42797839158 has 16 divisors (see below), whose sum is σ = 95106309360. Its totient is φ = 14265946368.
The previous prime is 42797839151. The next prime is 42797839159. The reversal of 42797839158 is 85193879724.
42797839158 is a `hidden beast` number, since 427 + 9 + 78 + 3 + 91 + 58 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 42797839095 and 42797839104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42797839151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396276235 + ... + 396276342.
It is an arithmetic number, because the mean of its divisors is an integer number (5944144335).
Almost surely, 242797839158 is an apocalyptic number.
42797839158 is an abundant number, since it is smaller than the sum of its proper divisors (52308470202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42797839158 is a wasteful number, since it uses less digits than its factorization.
42797839158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 792552588 (or 792552582 counting only the distinct ones).
The product of its digits is 30481920, while the sum is 63.
The spelling of 42797839158 in words is "forty-two billion, seven hundred ninety-seven million, eight hundred thirty-nine thousand, one hundred fifty-eight".
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