Base | Representation |
---|---|
bin | 11100111101011011… |
… | …011010110001000100 |
3 | 2222021002102101211220 |
4 | 130331123122301010 |
5 | 1002140403300042 |
6 | 22141321400340 |
7 | 2150400162546 |
oct | 347533326104 |
9 | 88232371756 |
10 | 31095368772 |
11 | 12207585886 |
12 | 60399390b0 |
13 | 2c172b3ac0 |
14 | 170dadd696 |
15 | c1ed978ec |
hex | 73d6dac44 |
31095368772 has 48 divisors (see below), whose sum is σ = 80657644032. Its totient is φ = 9259165440.
The previous prime is 31095368743. The next prime is 31095368807. The reversal of 31095368772 is 27786359013.
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 15 ways as a sum of consecutive naturals, for example, 3210153 + ... + 3219824.
It is an arithmetic number, because the mean of its divisors is an integer number (1680367584).
Almost surely, 231095368772 is an apocalyptic number.
It is an amenable number.
31095368772 is an abundant number, since it is smaller than the sum of its proper divisors (49562275260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31095368772 is a wasteful number, since it uses less digits than its factorization.
31095368772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6430028 (or 6430026 counting only the distinct ones).
The product of its (nonzero) digits is 1905120, while the sum is 51.
The spelling of 31095368772 in words is "thirty-one billion, ninety-five million, three hundred sixty-eight thousand, seven hundred seventy-two".
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