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28589312404 = 2231230558971
BaseRepresentation
bin11010101000000011…
…100100100110010100
32201210102211112210101
4122220003210212110
5432022330444104
621044520103444
72031320101012
oct325003444624
981712745711
1028589312404
1111140a15614
12565a604b84
132908043b03
141552d538b2
15b24d725a4
hex6a80e4994

28589312404 has 12 divisors (see below), whose sum is σ = 51645209728. Its totient is φ = 13833538200.

The previous prime is 28589312387. The next prime is 28589312413. The reversal of 28589312404 is 40421398582.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115279362 + ... + 115279609.

Almost surely, 228589312404 is an apocalyptic number.

It is an amenable number.

28589312404 is a deficient number, since it is larger than the sum of its proper divisors (23055897324).

28589312404 is a wasteful number, since it uses less digits than its factorization.

28589312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230559006 (or 230559004 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 28589312404 in words is "twenty-eight billion, five hundred eighty-nine million, three hundred twelve thousand, four hundred four".

Divisors: 1 2 4 31 62 124 230558971 461117942 922235884 7147328101 14294656202 28589312404