Base | Representation |
---|---|
bin | 11100111010101010… |
… | …100111110110010000 |
3 | 2222010212012210012210 |
4 | 130322222213312100 |
5 | 1002042022212424 |
6 | 22132544152120 |
7 | 2146265224356 |
oct | 347252476620 |
9 | 88125183183 |
10 | 31049022864 |
11 | 12193400482 |
12 | 6026308640 |
13 | 2c0a8079a2 |
14 | 17078b77d6 |
15 | c1ac90729 |
hex | 73aaa7d90 |
31049022864 has 40 divisors (see below), whose sum is σ = 80225039872. Its totient is φ = 10347730560.
The previous prime is 31049022859. The next prime is 31049022871. The reversal of 31049022864 is 46822094013.
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, 209937 + ... + 325839.
Almost surely, 231049022864 is an apocalyptic number.
It is an amenable number.
31049022864 is an abundant number, since it is smaller than the sum of its proper divisors (49176017008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31049022864 is a wasteful number, since it uses less digits than its factorization.
31049022864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121495 (or 121489 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The spelling of 31049022864 in words is "thirty-one billion, forty-nine million, twenty-two thousand, eight hundred sixty-four".
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