Base | Representation |
---|---|
bin | 11100111101010110… |
… | …110010101100001000 |
3 | 2222021000010210021220 |
4 | 130331112302230020 |
5 | 1002140100443130 |
6 | 22141235402040 |
7 | 2150353652103 |
oct | 347526625410 |
9 | 88230123256 |
10 | 31094156040 |
11 | 12206927722 |
12 | 6039453320 |
13 | 2c16c7aacc |
14 | 170d8a573a |
15 | c1ec08410 |
hex | 73d5b2b08 |
31094156040 has 32 divisors (see below), whose sum is σ = 93282468480. Its totient is φ = 8291774912.
The previous prime is 31094156011. The next prime is 31094156077. The reversal of 31094156040 is 4065149013.
It is a junction number, because it is equal to n+sod(n) for n = 31094155992 and 31094156010.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129558864 + ... + 129559103.
It is an arithmetic number, because the mean of its divisors is an integer number (2915077140).
Almost surely, 231094156040 is an apocalyptic number.
31094156040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31094156040 is an abundant number, since it is smaller than the sum of its proper divisors (62188312440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31094156040 is a wasteful number, since it uses less digits than its factorization.
31094156040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259117981 (or 259117977 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The spelling of 31094156040 in words is "thirty-one billion, ninety-four million, one hundred fifty-six thousand, forty".
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