Base | Representation |
---|---|
bin | 11100111000011001… |
… | …001011000011101001 |
3 | 2222001012110122022202 |
4 | 130320121023003221 |
5 | 1002002242102212 |
6 | 22125103025545 |
7 | 2145323151563 |
oct | 347031130351 |
9 | 88035418282 |
10 | 31010894057 |
11 | 12173928770 |
12 | 601559b2b5 |
13 | 2c02947a70 |
14 | 17027d0333 |
15 | c1775d0c2 |
hex | 73864b0e9 |
31010894057 has 16 divisors (see below), whose sum is σ = 36437542848. Its totient is φ = 26019439680.
The previous prime is 31010894041. The next prime is 31010894059. The reversal of 31010894057 is 75049801013.
It is not a de Polignac number, because 31010894057 - 24 = 31010894041 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31010894057.
It is not an unprimeable number, because it can be changed into a prime (31010894059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559258 + ... + 1579020.
It is an arithmetic number, because the mean of its divisors is an integer number (2277346428).
Almost surely, 231010894057 is an apocalyptic number.
It is an amenable number.
31010894057 is a deficient number, since it is larger than the sum of its proper divisors (5426648791).
31010894057 is a wasteful number, since it uses less digits than its factorization.
31010894057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30760.
The product of its (nonzero) digits is 30240, while the sum is 38.
The spelling of 31010894057 in words is "thirty-one billion, ten million, eight hundred ninety-four thousand, fifty-seven".
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