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15143271389 is a prime number
BaseRepresentation
bin11100001101001101…
…11111101111011101
31110002100201220002022
432012212333233131
5222003134141024
610542352505525
71044156453161
oct160646775735
943070656068
1015143271389
116470a88a24
122b2754b2a5
13157443041c
14a3927aca1
155d96b535e
hex3869bfbdd

15143271389 has 2 divisors, whose sum is σ = 15143271390. Its totient is φ = 15143271388.

The previous prime is 15143271349. The next prime is 15143271397. The reversal of 15143271389 is 98317234151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15143271364 + 25 = 123058^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15143271389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15143271349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571635694 + 7571635695.

It is an arithmetic number, because the mean of its divisors is an integer number (7571635695).

Almost surely, 215143271389 is an apocalyptic number.

It is an amenable number.

15143271389 is a deficient number, since it is larger than the sum of its proper divisors (1).

15143271389 is an equidigital number, since it uses as much as digits as its factorization.

15143271389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 15143271389 in words is "fifteen billion, one hundred forty-three million, two hundred seventy-one thousand, three hundred eighty-nine".