Search a number
-
+
157935913 is a prime number
BaseRepresentation
bin10010110100111…
…10100100101001
3102000011222100021
421122132210221
5310412422123
623401040441
73625301362
oct1132364451
9360158307
10157935913
1181172653
1244a86121
132694a105
1416d92b69
15dceac5d
hex969e929

157935913 has 2 divisors, whose sum is σ = 157935914. Its totient is φ = 157935912.

The previous prime is 157935901. The next prime is 157935941. The reversal of 157935913 is 319539751.

157935913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144889369 + 13046544 = 12037^2 + 3612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157935913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157935913.

It is not a weakly prime, because it can be changed into another prime (157915913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78967956 + 78967957.

It is an arithmetic number, because the mean of its divisors is an integer number (78967957).

Almost surely, 2157935913 is an apocalyptic number.

It is an amenable number.

157935913 is a deficient number, since it is larger than the sum of its proper divisors (1).

157935913 is an equidigital number, since it uses as much as digits as its factorization.

157935913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127575, while the sum is 43.

The square root of 157935913 is about 12567.2555874383. The cubic root of 157935913 is about 540.5389144363.

The spelling of 157935913 in words is "one hundred fifty-seven million, nine hundred thirty-five thousand, nine hundred thirteen".