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15130042387 is a prime number
BaseRepresentation
bin11100001011101001…
…00010000000010011
31110001102211210022021
432011310202000103
5221441242324022
610541201152311
71043636144515
oct160564420023
943042753267
1015130042387
116464572869
122b2302b697
13157177ac05
14a375d5bb5
155d84507c7
hex385d22013

15130042387 has 2 divisors, whose sum is σ = 15130042388. Its totient is φ = 15130042386.

The previous prime is 15130042349. The next prime is 15130042397. The reversal of 15130042387 is 78324003151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15130042387 - 27 = 15130042259 is a prime.

It is not a weakly prime, because it can be changed into another prime (15130042397) 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, 7565021193 + 7565021194.

It is an arithmetic number, because the mean of its divisors is an integer number (7565021194).

Almost surely, 215130042387 is an apocalyptic number.

15130042387 is a deficient number, since it is larger than the sum of its proper divisors (1).

15130042387 is an equidigital number, since it uses as much as digits as its factorization.

15130042387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 15130042387 in words is "fifteen billion, one hundred thirty million, forty-two thousand, three hundred eighty-seven".