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23057365220 = 2252350124707
BaseRepresentation
bin10101011110010100…
…110111100011100100
32012111220111111212122
4111132110313203210
5334210141141340
614331543205112
71444245241061
oct253624674344
965456444778
1023057365220
11986231083a
124575a46798
132235c25a96
14118a381c68
158ee391db5
hex55e5378e4

23057365220 has 24 divisors (see below), whose sum is σ = 50525705664. Its totient is φ = 8821948256.

The previous prime is 23057365213. The next prime is 23057365229. The reversal of 23057365220 is 2256375032.

It is not an unprimeable number, because it can be changed into a prime (23057365229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25061894 + ... + 25062813.

It is an arithmetic number, because the mean of its divisors is an integer number (2105237736).

Almost surely, 223057365220 is an apocalyptic number.

23057365220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23057365220 is an abundant number, since it is smaller than the sum of its proper divisors (27468340444).

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

23057365220 is a wasteful number, since it uses less digits than its factorization.

23057365220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50124739 (or 50124737 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 23057365220 in words is "twenty-three billion, fifty-seven million, three hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 50124707 100249414 200498828 250623535 501247070 1002494140 1152868261 2305736522 4611473044 5764341305 11528682610 23057365220