Base | Representation |
---|---|
bin | 11100111110010100… |
… | …010101101001110110 |
3 | 2222022010111110222101 |
4 | 130332110111221312 |
5 | 1002203213240123 |
6 | 22143013252314 |
7 | 2150641050022 |
oct | 347624255166 |
9 | 88263443871 |
10 | 31110290038 |
11 | 12214a47403 |
12 | 604293409a |
13 | 2c1a409659 |
14 | 1711aa5382 |
15 | c21343aad |
hex | 73e515a76 |
31110290038 has 48 divisors (see below), whose sum is σ = 50730760080. Its totient is φ = 14290071488.
The previous prime is 31110290023. The next prime is 31110290041. The reversal of 31110290038 is 83009201113.
It is a junction number, because it is equal to n+sod(n) for n = 31110289988 and 31110290015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6041781 + ... + 6046927.
It is an arithmetic number, because the mean of its divisors is an integer number (1056890835).
Almost surely, 231110290038 is an apocalyptic number.
31110290038 is a deficient number, since it is larger than the sum of its proper divisors (19620470042).
31110290038 is a wasteful number, since it uses less digits than its factorization.
31110290038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5421 (or 5398 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 28.
The spelling of 31110290038 in words is "thirty-one billion, one hundred ten million, two hundred ninety thousand, thirty-eight".
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