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23431118076 = 2233216954797
BaseRepresentation
bin10101110100100110…
…100111110011111100
32020110221210010102000
4111310212213303330
5340441331234301
614433014102300
71456434134412
oct256446476374
966427703360
1023431118076
119a342898a3
12465b04a990
1322954a7612
1411c3c732b2
159220bd786
hex5749a7cfc

23431118076 has 24 divisors (see below), whose sum is σ = 60747343440. Its totient is φ = 7810372656.

The previous prime is 23431118063. The next prime is 23431118077. The reversal of 23431118076 is 67081113432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23431118076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431118077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108477291 + ... + 108477506.

It is an arithmetic number, because the mean of its divisors is an integer number (2531139310).

Almost surely, 223431118076 is an apocalyptic number.

It is an amenable number.

23431118076 is an abundant number, since it is smaller than the sum of its proper divisors (37316225364).

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

23431118076 is a wasteful number, since it uses less digits than its factorization.

23431118076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216954810 (or 216954802 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 23431118076 in words is "twenty-three billion, four hundred thirty-one million, one hundred eighteen thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 216954797 433909594 650864391 867819188 1301728782 1952593173 2603457564 3905186346 5857779519 7810372692 11715559038 23431118076