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28613890159 is a prime number
BaseRepresentation
bin11010101001100001…
…010101000001101111
32201212011002020010121
4122221201111001233
5432100123441114
621051154545411
72032036024201
oct325141250157
981764066117
1028613890159
1111153882208
125666898267
13291016aa6a
141556310771
15b270c9a24
hex6a985506f

28613890159 has 2 divisors, whose sum is σ = 28613890160. Its totient is φ = 28613890158.

The previous prime is 28613890147. The next prime is 28613890229. The reversal of 28613890159 is 95109831682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28613890159 - 229 = 28077019247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28613890559) 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, 14306945079 + 14306945080.

It is an arithmetic number, because the mean of its divisors is an integer number (14306945080).

Almost surely, 228613890159 is an apocalyptic number.

28613890159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28613890159 is an equidigital number, since it uses as much as digits as its factorization.

28613890159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 28613890159 in words is "twenty-eight billion, six hundred thirteen million, eight hundred ninety thousand, one hundred fifty-nine".