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28362556368 = 2432196962197
BaseRepresentation
bin11010011010100010…
…100100001111010000
32201012122011010222200
4122122202210033100
5431041303300433
621010220003200
72022564515466
oct323242441720
981178133880
1028362556368
1111034a18433
1255b6690500
1328a007c243
141530ba8836
15b0eed0613
hex69a8a43d0

28362556368 has 30 divisors (see below), whose sum is σ = 79375765794. Its totient is φ = 9454185408.

The previous prime is 28362556361. The next prime is 28362556381. The reversal of 28362556368 is 86365526382.

28362556368 is a `hidden beast` number, since 2 + 8 + 3 + 625 + 5 + 6 + 3 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27240842304 + 1121714064 = 165048^2 + 33492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28362556361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98480955 + ... + 98481242.

Almost surely, 228362556368 is an apocalyptic number.

It is an amenable number.

28362556368 is an abundant number, since it is smaller than the sum of its proper divisors (51013209426).

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

28362556368 is a wasteful number, since it uses less digits than its factorization.

28362556368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196962211 (or 196962202 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 28362556368 in words is "twenty-eight billion, three hundred sixty-two million, five hundred fifty-six thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 196962197 393924394 590886591 787848788 1181773182 1575697576 1772659773 2363546364 3151395152 3545319546 4727092728 7090639092 9454185456 14181278184 28362556368