Base | Representation |
---|---|
bin | 11100111000101101… |
… | …011000001111101101 |
3 | 2222001120102202022020 |
4 | 130320231120033231 |
5 | 1002010121102312 |
6 | 22125412340353 |
7 | 2145416162463 |
oct | 347055301755 |
9 | 88046382266 |
10 | 31016190957 |
11 | 12176916374 |
12 | 60173146b9 |
13 | 2c03a80a1b |
14 | 17033ac833 |
15 | c17e5778c |
hex | 738b583ed |
31016190957 has 32 divisors (see below), whose sum is σ = 46110873600. Its totient is φ = 18429389568.
The previous prime is 31016190937. The next prime is 31016190973. The reversal of 31016190957 is 75909161013.
It is not a de Polignac number, because 31016190957 - 215 = 31016158189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31016190937) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3199644 + ... + 3209322.
It is an arithmetic number, because the mean of its divisors is an integer number (1440964800).
Almost surely, 231016190957 is an apocalyptic number.
It is an amenable number.
31016190957 is a deficient number, since it is larger than the sum of its proper divisors (15094682643).
31016190957 is a wasteful number, since it uses less digits than its factorization.
31016190957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13025.
The product of its (nonzero) digits is 51030, while the sum is 42.
The spelling of 31016190957 in words is "thirty-one billion, sixteen million, one hundred ninety thousand, nine hundred fifty-seven".
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