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15580000831 is a prime number
BaseRepresentation
bin11101000001010001…
…11111001000111111
31111012210112001020211
432200220333020333
5223401440011311
611053553253251
71061041551643
oct164050771077
944183461224
1015580000831
11667556024a
123029864227
131613a61a05
14a7b282c23
15612bd1821
hex3a0a3f23f

15580000831 has 2 divisors, whose sum is σ = 15580000832. Its totient is φ = 15580000830.

The previous prime is 15580000823. The next prime is 15580000853. The reversal of 15580000831 is 13800008551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15580000831 - 23 = 15580000823 is a prime.

It is a super-2 number, since 2×155800008312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15580000793 and 15580000802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15580000871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7790000415 + 7790000416.

It is an arithmetic number, because the mean of its divisors is an integer number (7790000416).

Almost surely, 215580000831 is an apocalyptic number.

15580000831 is a deficient number, since it is larger than the sum of its proper divisors (1).

15580000831 is an equidigital number, since it uses as much as digits as its factorization.

15580000831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 15580000831 in words is "fifteen billion, five hundred eighty million, eight hundred thirty-one", and thus it is an aban number.