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28840677344 = 251753015951
BaseRepresentation
bin11010110111000010…
…011100111111100000
32202102221211012122222
4122313002130333200
5433031203133334
621125455450212
72040461466263
oct326702347740
982387735588
1028840677344
111125a8a0836
12570a826968
13294814386b
1415784a6cda
15b3be75d2e
hex6b709cfe0

28840677344 has 24 divisors (see below), whose sum is σ = 60120089568. Its totient is φ = 13572083200.

The previous prime is 28840677311. The next prime is 28840677377. The reversal of 28840677344 is 44377604882.

It is an interprime number because it is at equal distance from previous prime (28840677311) and next prime (28840677377).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 26507432 + ... + 26508519.

It is an arithmetic number, because the mean of its divisors is an integer number (2505003732).

Almost surely, 228840677344 is an apocalyptic number.

It is an amenable number.

28840677344 is an abundant number, since it is smaller than the sum of its proper divisors (31279412224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28840677344 is a wasteful number, since it uses less digits than its factorization.

28840677344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015978 (or 53015970 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 28840677344 in words is "twenty-eight billion, eight hundred forty million, six hundred seventy-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 53015951 106031902 212063804 424127608 848255216 901271167 1696510432 1802542334 3605084668 7210169336 14420338672 28840677344