Base | Representation |
---|---|
bin | 1001000101011000110… |
… | …10010110001100001001 |
3 | 1002211122220002201022121 |
4 | 10202230122112030021 |
5 | 20103220314424342 |
6 | 355220214051241 |
7 | 31356610130404 |
oct | 4425432261411 |
9 | 1084586081277 |
10 | 312130233097 |
11 | 110412419a31 |
12 | 505ab949b21 |
13 | 23583c61027 |
14 | 11170180d3b |
15 | 81bc5a7067 |
hex | 48ac696309 |
312130233097 has 2 divisors, whose sum is σ = 312130233098. Its totient is φ = 312130233096.
The previous prime is 312130233059. The next prime is 312130233137. The reversal of 312130233097 is 790332031213.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 189280684096 + 122849549001 = 435064^2 + 350499^2 .
It is a cyclic number.
It is not a de Polignac number, because 312130233097 - 215 = 312130200329 is a prime.
It is a super-2 number, since 2×3121302330972 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (312130233017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065116548 + 156065116549.
It is an arithmetic number, because the mean of its divisors is an integer number (156065116549).
Almost surely, 2312130233097 is an apocalyptic number.
It is an amenable number.
312130233097 is a deficient number, since it is larger than the sum of its proper divisors (1).
312130233097 is an equidigital number, since it uses as much as digits as its factorization.
312130233097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20412, while the sum is 34.
The spelling of 312130233097 in words is "three hundred twelve billion, one hundred thirty million, two hundred thirty-three thousand, ninety-seven".
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