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23961711372 = 2231996809281
BaseRepresentation
bin10110010100001110…
…101011001100001100
32021211221012001120120
4112110032223030030
5343033144230442
615001410344540
71505536120554
oct262416531414
967757161516
1023961711372
11a186841455
12478888b150
13234b3b1751
141234510164
1595397b4ec
hex5943ab30c

23961711372 has 12 divisors (see below), whose sum is σ = 55910659896. Its totient is φ = 7987237120.

The previous prime is 23961711353. The next prime is 23961711373. The reversal of 23961711372 is 27311716932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×239617113722 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23961711373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998404629 + ... + 998404652.

It is an arithmetic number, because the mean of its divisors is an integer number (4659221658).

Almost surely, 223961711372 is an apocalyptic number.

It is an amenable number.

23961711372 is an abundant number, since it is smaller than the sum of its proper divisors (31948948524).

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

23961711372 is a wasteful number, since it uses less digits than its factorization.

23961711372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996809288 (or 1996809286 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The spelling of 23961711372 in words is "twenty-three billion, nine hundred sixty-one million, seven hundred eleven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 1996809281 3993618562 5990427843 7987237124 11980855686 23961711372