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152555129 is a prime number
BaseRepresentation
bin10010001011111…
…00111001111001
3101122001121021222
421011330321321
5303023231004
623045441425
73531461066
oct1105747171
9348047258
10152555129
1179127a21
1243110275
13257b4c0c
1416391c6d
15d5d67be
hex917ce79

152555129 has 2 divisors, whose sum is σ = 152555130. Its totient is φ = 152555128.

The previous prime is 152555111. The next prime is 152555131. The reversal of 152555129 is 921555251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99600400 + 52954729 = 9980^2 + 7277^2 .

It is a cyclic number.

It is not a de Polignac number, because 152555129 - 212 = 152551033 is a prime.

It is a Sophie Germain prime.

Together with 152555131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152555189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76277564 + 76277565.

It is an arithmetic number, because the mean of its divisors is an integer number (76277565).

Almost surely, 2152555129 is an apocalyptic number.

It is an amenable number.

152555129 is a deficient number, since it is larger than the sum of its proper divisors (1).

152555129 is an equidigital number, since it uses as much as digits as its factorization.

152555129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 35.

The square root of 152555129 is about 12351.3209415026. The cubic root of 152555129 is about 534.3292365265.

The spelling of 152555129 in words is "one hundred fifty-two million, five hundred fifty-five thousand, one hundred twenty-nine".