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23287857168 = 243485163691
BaseRepresentation
bin10101101100000100…
…001000000000010000
32020002222012201101110
4111230010020000100
5340143142412133
614410455333320
71453044343212
oct255404100020
966088181343
1023287857168
11997042a854
12461b081240
1322718c7c54
1411acc205b2
15914720c63
hex56c108010

23287857168 has 20 divisors (see below), whose sum is σ = 60160297808. Its totient is φ = 7762619040.

The previous prime is 23287857157. The next prime is 23287857193. The reversal of 23287857168 is 86175878232.

It is a super-3 number, since 3×232878571683 (a number of 32 digits) contains 333 as substring.

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, 242581798 + ... + 242581893.

Almost surely, 223287857168 is an apocalyptic number.

It is an amenable number.

23287857168 is an abundant number, since it is smaller than the sum of its proper divisors (36872440640).

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

23287857168 is a wasteful number, since it uses less digits than its factorization.

23287857168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485163702 (or 485163696 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 23287857168 in words is "twenty-three billion, two hundred eighty-seven million, eight hundred fifty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 485163691 970327382 1455491073 1940654764 2910982146 3881309528 5821964292 7762619056 11643928584 23287857168