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157912159 is a prime number
BaseRepresentation
bin10010110100110…
…00110001011111
3102000010202202111
421122120301133
5310411142114
623400334451
73625142206
oct1132306137
9360122674
10157912159
1181156819
1244a74427
132693c362
1416d8823d
15dce3bc4
hex9698c5f

157912159 has 2 divisors, whose sum is σ = 157912160. Its totient is φ = 157912158.

The previous prime is 157912147. The next prime is 157912177. The reversal of 157912159 is 951219751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157912159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157912199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78956079 + 78956080.

It is an arithmetic number, because the mean of its divisors is an integer number (78956080).

Almost surely, 2157912159 is an apocalyptic number.

157912159 is a deficient number, since it is larger than the sum of its proper divisors (1).

157912159 is an equidigital number, since it uses as much as digits as its factorization.

157912159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 40.

The square root of 157912159 is about 12566.3104768265. The cubic root of 157912159 is about 540.5118135595.

The spelling of 157912159 in words is "one hundred fifty-seven million, nine hundred twelve thousand, one hundred fifty-nine".