Base | Representation |
---|---|
bin | 11101100000011001… |
… | …100110000111011011 |
3 | 10000202222110002220112 |
4 | 131200121212013123 |
5 | 1004341103443111 |
6 | 22315441114535 |
7 | 2201053231424 |
oct | 354031460733 |
9 | 100688402815 |
10 | 31682093531 |
11 | 12488796880 |
12 | 6182328a4b |
13 | 2caba1210a |
14 | 17679cc64b |
15 | c56641e8b |
hex | 7606661db |
31682093531 has 16 divisors (see below), whose sum is σ = 34963164000. Its totient is φ = 28468070400.
The previous prime is 31682093501. The next prime is 31682093543. The reversal of 31682093531 is 13539028613.
It is a happy number.
It is not a de Polignac number, because 31682093531 - 230 = 30608351707 is a prime.
It is a super-2 number, since 2×316820935312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31682093501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4547891 + ... + 4554851.
It is an arithmetic number, because the mean of its divisors is an integer number (2185197750).
Almost surely, 231682093531 is an apocalyptic number.
31682093531 is a deficient number, since it is larger than the sum of its proper divisors (3281070469).
31682093531 is a wasteful number, since it uses less digits than its factorization.
31682093531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11710.
The product of its (nonzero) digits is 116640, while the sum is 41.
The spelling of 31682093531 in words is "thirty-one billion, six hundred eighty-two million, ninety-three thousand, five hundred thirty-one".
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