Base | Representation |
---|---|
bin | 11100111100100001… |
… | …011010111110001100 |
3 | 2222020000210222112212 |
4 | 130330201122332030 |
5 | 1002123010242020 |
6 | 22140015445552 |
7 | 2150124021464 |
oct | 347441327614 |
9 | 88200728485 |
10 | 31080165260 |
11 | 121a9a411a1 |
12 | 60348268b8 |
13 | 2c140bc941 |
14 | 170baa2ba4 |
15 | c1d892cc5 |
hex | 73c85af8c |
31080165260 has 24 divisors (see below), whose sum is σ = 66001703040. Its totient is φ = 12292379264.
The previous prime is 31080165257. The next prime is 31080165283. The reversal of 31080165260 is 6256108013.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8728604 + ... + 8732163.
It is an arithmetic number, because the mean of its divisors is an integer number (2750070960).
Almost surely, 231080165260 is an apocalyptic number.
It is an amenable number.
31080165260 is an abundant number, since it is smaller than the sum of its proper divisors (34921537780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31080165260 is a wasteful number, since it uses less digits than its factorization.
31080165260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17460865 (or 17460863 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The spelling of 31080165260 in words is "thirty-one billion, eighty million, one hundred sixty-five thousand, two hundred sixty".
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