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15155055137 is a prime number
BaseRepresentation
bin11100001110100111…
…11100101000100001
31110010011220120100102
432013103330220201
5222014143231022
610543453232145
71044361562135
oct160723745041
943104816312
1015155055137
1164776a7262
122b2b492655
1315769c7b61
14a3aa673c5
155da741a92
hex3874fca21

15155055137 has 2 divisors, whose sum is σ = 15155055138. Its totient is φ = 15155055136.

The previous prime is 15155055121. The next prime is 15155055163. The reversal of 15155055137 is 73155055151.

15155055137 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., 13720842496 + 1434212641 = 117136^2 + 37871^2 .

It is a cyclic number.

It is not a de Polignac number, because 15155055137 - 24 = 15155055121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15155055137.

It is not a weakly prime, because it can be changed into another prime (15155055197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577527568 + 7577527569.

It is an arithmetic number, because the mean of its divisors is an integer number (7577527569).

Almost surely, 215155055137 is an apocalyptic number.

It is an amenable number.

15155055137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15155055137 is an equidigital number, since it uses as much as digits as its factorization.

15155055137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65625, while the sum is 38.

The spelling of 15155055137 in words is "fifteen billion, one hundred fifty-five million, fifty-five thousand, one hundred thirty-seven".