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15005140897 is a prime number
BaseRepresentation
bin11011111100110000…
…00100011110100001
31102201201211010200011
431332120010132201
5221212304002042
610520540124521
71040561410315
oct157630043641
942651733604
1015005140897
11640001349a
122aa9236741
131551928cc6
14a24ba1b45
155cc4cca17
hex37e6047a1

15005140897 has 2 divisors, whose sum is σ = 15005140898. Its totient is φ = 15005140896.

The previous prime is 15005140889. The next prime is 15005140901. The reversal of 15005140897 is 79804150051.

It is a happy number.

15005140897 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., 9572861281 + 5432279616 = 97841^2 + 73704^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005140897 - 23 = 15005140889 is a prime.

It is not a weakly prime, because it can be changed into another prime (15005140097) 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, 7502570448 + 7502570449.

It is an arithmetic number, because the mean of its divisors is an integer number (7502570449).

Almost surely, 215005140897 is an apocalyptic number.

It is an amenable number.

15005140897 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005140897 is an equidigital number, since it uses as much as digits as its factorization.

15005140897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 15005140897 in words is "fifteen billion, five million, one hundred forty thousand, eight hundred ninety-seven".