Base | Representation |
---|---|
bin | 1001000101011000110… |
… | …10110100011011101011 |
3 | 1002211122220100000020112 |
4 | 10202230122310123223 |
5 | 20103220332410341 |
6 | 355220220444535 |
7 | 31356611154506 |
oct | 4425432643353 |
9 | 1084586300215 |
10 | 312130356971 |
11 | 1104124a4004 |
12 | 505ab9a974b |
13 | 23583ca5524 |
14 | 111701b413d |
15 | 81bc5cdaeb |
hex | 48ac6b46eb |
312130356971 has 2 divisors, whose sum is σ = 312130356972. Its totient is φ = 312130356970.
The previous prime is 312130356943. The next prime is 312130357003. The reversal of 312130356971 is 179653031213.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 312130356971 - 230 = 311056615147 is a prime.
It is not a weakly prime, because it can be changed into another prime (312130356871) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065178485 + 156065178486.
It is an arithmetic number, because the mean of its divisors is an integer number (156065178486).
Almost surely, 2312130356971 is an apocalyptic number.
312130356971 is a deficient number, since it is larger than the sum of its proper divisors (1).
312130356971 is an equidigital number, since it uses as much as digits as its factorization.
312130356971 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 102060, while the sum is 41.
The spelling of 312130356971 in words is "three hundred twelve billion, one hundred thirty million, three hundred fifty-six thousand, nine hundred seventy-one".
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