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28796410656 = 2533133138191
BaseRepresentation
bin11010110100011001…
…100101101100100000
32202022212112020012000
4122310121211230200
5432433340120111
621121235004000
72036413311006
oct326431455440
982285466160
1028796410656
11112379065a2
1256b7a39600
13293bc14c60
141572662a76
15b3812ec56
hex6b4665b20

28796410656 has 192 divisors, whose sum is σ = 90750320640. Its totient is φ = 8831047680.

The previous prime is 28796410627. The next prime is 28796410751. The reversal of 28796410656 is 65601469782.

28796410656 is a `hidden beast` number, since 2 + 87 + 96 + 410 + 65 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511521 + ... + 3519711.

It is an arithmetic number, because the mean of its divisors is an integer number (472657920).

Almost surely, 228796410656 is an apocalyptic number.

28796410656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28796410656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45375160320).

28796410656 is an abundant number, since it is smaller than the sum of its proper divisors (61953909984).

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

28796410656 is a wasteful number, since it uses less digits than its factorization.

28796410656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536 (or 8522 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 28796410656 in words is "twenty-eight billion, seven hundred ninety-six million, four hundred ten thousand, six hundred fifty-six".