Base | Representation |
---|---|
bin | 10011011100100… |
… | …10101110011101 |
3 | 102100221212122211 |
4 | 21232102232131 |
5 | 313230132034 |
6 | 24104240421 |
7 | 4020404311 |
oct | 1156225635 |
9 | 370855584 |
10 | 163130269 |
11 | 840a0205 |
12 | 46770111 |
13 | 27a484b3 |
14 | 17945b41 |
15 | e4c4d64 |
hex | 9b92b9d |
163130269 has 2 divisors, whose sum is σ = 163130270. Its totient is φ = 163130268.
The previous prime is 163130213. The next prime is 163130281. The reversal of 163130269 is 962031361.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 140138244 + 22992025 = 11838^2 + 4795^2 .
It is a cyclic number.
It is not a de Polignac number, because 163130269 - 27 = 163130141 is a prime.
It is a super-2 number, since 2×1631302692 = 53222969328024722, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 163130269.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (163130069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81565134 + 81565135.
It is an arithmetic number, because the mean of its divisors is an integer number (81565135).
Almost surely, 2163130269 is an apocalyptic number.
It is an amenable number.
163130269 is a deficient number, since it is larger than the sum of its proper divisors (1).
163130269 is an equidigital number, since it uses as much as digits as its factorization.
163130269 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 31.
The square root of 163130269 is about 12772.2460436683. The cubic root of 163130269 is about 546.4010401887.
The spelling of 163130269 in words is "one hundred sixty-three million, one hundred thirty thousand, two hundred sixty-nine".
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