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130688317 is a prime number
BaseRepresentation
bin1111100101000…
…10010100111101
3100002220122200001
413302202110331
5231424011232
620545034301
73144555334
oct762422475
9302818601
10130688317
1167852081
1237925991
13210c9b86
14134dcd1b
15b7176e7
hex7ca253d

130688317 has 2 divisors, whose sum is σ = 130688318. Its totient is φ = 130688316.

The previous prime is 130688249. The next prime is 130688339. The reversal of 130688317 is 713886031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84162276 + 46526041 = 9174^2 + 6821^2 .

It is a cyclic number.

It is not a de Polignac number, because 130688317 - 219 = 130164029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130688377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65344158 + 65344159.

It is an arithmetic number, because the mean of its divisors is an integer number (65344159).

Almost surely, 2130688317 is an apocalyptic number.

It is an amenable number.

130688317 is a deficient number, since it is larger than the sum of its proper divisors (1).

130688317 is an equidigital number, since it uses as much as digits as its factorization.

130688317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 130688317 is about 11431.8990985750. The cubic root of 130688317 is about 507.4721988864.

The spelling of 130688317 in words is "one hundred thirty million, six hundred eighty-eight thousand, three hundred seventeen".