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23397249057 = 371385704209
BaseRepresentation
bin10101110010100101…
…011011000000100001
32020101121001101211220
4111302211123000201
5340404143432212
614425404125253
71455543223050
oct256245330041
966347041756
1023397249057
119a17156576
12464b836829
13228b479590
1411bd578397
1591e12d38c
hex57295b021

23397249057 has 16 divisors (see below), whose sum is σ = 38395486080. Its totient is φ = 12341405952.

The previous prime is 23397248993. The next prime is 23397249067. The reversal of 23397249057 is 75094279332.

It is not a de Polignac number, because 23397249057 - 26 = 23397248993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23397249067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42851832 + ... + 42852377.

It is an arithmetic number, because the mean of its divisors is an integer number (2399717880).

Almost surely, 223397249057 is an apocalyptic number.

It is an amenable number.

23397249057 is a deficient number, since it is larger than the sum of its proper divisors (14998237023).

23397249057 is a wasteful number, since it uses less digits than its factorization.

23397249057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85704232.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 23397249057 in words is "twenty-three billion, three hundred ninety-seven million, two hundred forty-nine thousand, fifty-seven".

Divisors: 1 3 7 13 21 39 91 273 85704209 257112627 599929463 1114154717 1799788389 3342464151 7799083019 23397249057