Base | Representation |
---|---|
bin | 11101101101000110… |
… | …001110000011011100 |
3 | 10001022211021212121022 |
4 | 131231012032003130 |
5 | 1010310122234134 |
6 | 22352531023312 |
7 | 2206251013226 |
oct | 355506160334 |
9 | 101284255538 |
10 | 31895118044 |
11 | 12587a65299 |
12 | 622173ab38 |
13 | 3013ba981a |
14 | 1788001416 |
15 | c6a1c052e |
hex | 76d18e0dc |
31895118044 has 12 divisors (see below), whose sum is σ = 55818819168. Its totient is φ = 15946884000.
The previous prime is 31895117981. The next prime is 31895118091. The reversal of 31895118044 is 44081159813.
It is a junction number, because it is equal to n+sod(n) for n = 31895117986 and 31895118004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53732 + ... + 258219.
It is an arithmetic number, because the mean of its divisors is an integer number (4651568264).
Almost surely, 231895118044 is an apocalyptic number.
It is an amenable number.
31895118044 is a deficient number, since it is larger than the sum of its proper divisors (23923701124).
31895118044 is a wasteful number, since it uses less digits than its factorization.
31895118044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337516 (or 337514 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 44.
The spelling of 31895118044 in words is "thirty-one billion, eight hundred ninety-five million, one hundred eighteen thousand, forty-four".
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