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23213020020112 = 2413261713913609
BaseRepresentation
bin1010100011100101100111…
…10011111111110110010000
310001012010212021111000111101
411101302303303333312100
511020310231111120422
6121211525243554144
74614041163412216
oct521626363776620
9101163767430441
1023213020020112
11743a64a70380a
12272aa0952b954
13cc4c946c4100
145a37324d2cb6
152a3c55b07c27
hex151cb3cffd90

23213020020112 has 60 divisors (see below), whose sum is σ = 48779920089540. Its totient is φ = 10696336594944.

The previous prime is 23213020020109. The next prime is 23213020020137. The reversal of 23213020020112 is 21102002031232.

It can be written as a sum of positive squares in 6 ways, for example, as 2561485015296 + 20651535004816 = 1600464^2 + 4544396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23213020020112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5288437 + ... + 8625172.

It is an arithmetic number, because the mean of its divisors is an integer number (812998668159).

Almost surely, 223213020020112 is an apocalyptic number.

It is an amenable number.

23213020020112 is an abundant number, since it is smaller than the sum of its proper divisors (25566900069428).

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

23213020020112 is a wasteful number, since it uses less digits than its factorization.

23213020020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914260 (or 13914241 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23213020020112 its reverse (21102002031232), we get a palindrome (44315022051344).

The spelling of 23213020020112 in words is "twenty-three trillion, two hundred thirteen billion, twenty million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 617 676 1234 1352 2468 2704 4936 8021 9872 16042 32084 64168 104273 128336 208546 417092 834184 1668368 13913609 27827218 55654436 111308872 180876917 222617744 361753834 723507668 1447015336 2351399921 2894030672 4702799842 8584696753 9405599684 17169393506 18811199368 34338787012 37622398736 68677574024 111601057789 137355148048 223202115578 446404231156 892808462312 1450813751257 1785616924624 2901627502514 5803255005028 11606510010056 23213020020112