Base | Representation |
---|---|
bin | 1001000101010110011… |
… | …10011000100111010111 |
3 | 1002211121111122000210201 |
4 | 10202223032120213113 |
5 | 20103200220220322 |
6 | 355214223201331 |
7 | 31356245643106 |
oct | 4425316304727 |
9 | 1084544560721 |
10 | 312110320087 |
11 | 110402158aa5 |
12 | 505a5146247 |
13 | 2357caab397 |
14 | 1116b67a03d |
15 | 81ba971d27 |
hex | 48ab3989d7 |
312110320087 has 2 divisors, whose sum is σ = 312110320088. Its totient is φ = 312110320086.
The previous prime is 312110320061. The next prime is 312110320139. The reversal of 312110320087 is 780023011213.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312110320087 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312110320187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156055160043 + 156055160044.
It is an arithmetic number, because the mean of its divisors is an integer number (156055160044).
Almost surely, 2312110320087 is an apocalyptic number.
312110320087 is a deficient number, since it is larger than the sum of its proper divisors (1).
312110320087 is an equidigital number, since it uses as much as digits as its factorization.
312110320087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
The spelling of 312110320087 in words is "three hundred twelve billion, one hundred ten million, three hundred twenty thousand, eighty-seven".
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