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157116937 is a prime number
BaseRepresentation
bin10010101110101…
…10101000001001
3101221122100220211
421113112220021
5310210220222
623331321121
73615320605
oct1127265011
9357570824
10157116937
118076330a
12447501a1
1326721403
1416c1c505
15dbd8277
hex95d6a09

157116937 has 2 divisors, whose sum is σ = 157116938. Its totient is φ = 157116936.

The previous prime is 157116919. The next prime is 157116977. The reversal of 157116937 is 739611751.

It is an a-pointer prime, because the next prime (157116977) can be obtained adding 157116937 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100881936 + 56235001 = 10044^2 + 7499^2 .

It is a cyclic number.

It is not a de Polignac number, because 157116937 - 219 = 156592649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157116937.

It is not a weakly prime, because it can be changed into another prime (157116977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78558468 + 78558469.

It is an arithmetic number, because the mean of its divisors is an integer number (78558469).

Almost surely, 2157116937 is an apocalyptic number.

It is an amenable number.

157116937 is a deficient number, since it is larger than the sum of its proper divisors (1).

157116937 is an equidigital number, since it uses as much as digits as its factorization.

157116937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 40.

The square root of 157116937 is about 12534.6295118763. The cubic root of 157116937 is about 539.6029740542.

The spelling of 157116937 in words is "one hundred fifty-seven million, one hundred sixteen thousand, nine hundred thirty-seven".