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163130269 is a prime number
BaseRepresentation
bin10011011100100…
…10101110011101
3102100221212122211
421232102232131
5313230132034
624104240421
74020404311
oct1156225635
9370855584
10163130269
11840a0205
1246770111
1327a484b3
1417945b41
15e4c4d64
hex9b92b9d

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".