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20232552784 = 242354979763
BaseRepresentation
bin10010110101111101…
…000100000101010000
31221020001010011200211
4102311331010011100
5312414013142114
613143353453504
71314244601233
oct226575040520
957201104624
1020232552784
118642826404
123b07a11294
131ba591bb32
14d9d13d41a
157d63a56c4
hex4b5f44150

20232552784 has 20 divisors (see below), whose sum is σ = 40904944416. Its totient is φ = 9676438112.

The previous prime is 20232552751. The next prime is 20232552863. The reversal of 20232552784 is 48725523202.

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, 27489514 + ... + 27490249.

Almost surely, 220232552784 is an apocalyptic number.

It is an amenable number.

20232552784 is an abundant number, since it is smaller than the sum of its proper divisors (20672391632).

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

20232552784 is a wasteful number, since it uses less digits than its factorization.

20232552784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54979794 (or 54979788 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 20232552784 in words is "twenty billion, two hundred thirty-two million, five hundred fifty-two thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 54979763 109959526 219919052 439838104 879676208 1264534549 2529069098 5058138196 10116276392 20232552784