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157012133 is a prime number
BaseRepresentation
bin10010101101111…
…01000010100101
3101221110001011012
421112331002211
5310143342013
623325152005
73614403215
oct1126750245
9357401135
10157012133
11806a15a3
12446bb605
13266b57b5
1416bd2245
15dbb71a8
hex95bd0a5

157012133 has 2 divisors, whose sum is σ = 157012134. Its totient is φ = 157012132.

The previous prime is 157012111. The next prime is 157012139. The reversal of 157012133 is 331210751.

157012133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150970369 + 6041764 = 12287^2 + 2458^2 .

It is a cyclic number.

It is not a de Polignac number, because 157012133 - 210 = 157011109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157012099 and 157012108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157012139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78506066 + 78506067.

It is an arithmetic number, because the mean of its divisors is an integer number (78506067).

Almost surely, 2157012133 is an apocalyptic number.

It is an amenable number.

157012133 is a deficient number, since it is larger than the sum of its proper divisors (1).

157012133 is an equidigital number, since it uses as much as digits as its factorization.

157012133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 157012133 is about 12530.4482361965. The cubic root of 157012133 is about 539.4829676221.

Adding to 157012133 its reverse (331210751), we get a palindrome (488222884).

The spelling of 157012133 in words is "one hundred fifty-seven million, twelve thousand, one hundred thirty-three".