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157512107 is a prime number
BaseRepresentation
bin10010110001101…
…11000110101011
3101222101102222202
421120313012223
5310310341412
623344010415
73621554654
oct1130670653
9358342882
10157512107
1180a031a5
1244900a0b
132682c23c
1416cc252b
15dc653c2
hex96371ab

157512107 has 2 divisors, whose sum is σ = 157512108. Its totient is φ = 157512106.

The previous prime is 157512101. The next prime is 157512127. The reversal of 157512107 is 701215751.

It is a weak prime.

It is an emirp because it is prime and its reverse (701215751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157512107 - 222 = 153317803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157512107.

It is not a weakly prime, because it can be changed into another prime (157512101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78756053 + 78756054.

It is an arithmetic number, because the mean of its divisors is an integer number (78756054).

Almost surely, 2157512107 is an apocalyptic number.

157512107 is a deficient number, since it is larger than the sum of its proper divisors (1).

157512107 is an equidigital number, since it uses as much as digits as its factorization.

157512107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 157512107 is about 12550.3827431676. The cubic root of 157512107 is about 540.0549863989.

Adding to 157512107 its reverse (701215751), we get a palindrome (858727858).

The spelling of 157512107 in words is "one hundred fifty-seven million, five hundred twelve thousand, one hundred seven".