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23907962884 = 221321923132
BaseRepresentation
bin10110010001000001…
…101001000000000100
32021201012001100111211
4112101001221000010
5342430414303014
614552210341204
71504314221461
oct262101510004
967635040454
1023907962884
11a159470413
12477288a804
132340213100
14122b31c668
1594ddb0cc4
hex591069004

23907962884 has 81 divisors (see below), whose sum is σ = 47968099263. Its totient is φ = 10420285824.

The previous prime is 23907962873. The next prime is 23907962917. The reversal of 23907962884 is 48826970932.

The square root of 23907962884 is 154622.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18912300484 + 4995662400 = 137522^2 + 70680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 76383112 + ... + 76383424.

Almost surely, 223907962884 is an apocalyptic number.

23907962884 is the 154622-nd square number.

It is an amenable number.

23907962884 is an abundant number, since it is smaller than the sum of its proper divisors (24060136379).

23907962884 is a wasteful number, since it uses less digits than its factorization.

23907962884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 23907962884 in words is "twenty-three billion, nine hundred seven million, nine hundred sixty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 13 19 26 38 52 76 169 247 313 338 361 494 626 676 722 988 1252 1444 3211 4069 4693 5947 6422 8138 9386 11894 12844 16276 18772 23788 52897 61009 77311 97969 105794 112993 122018 154622 195938 211588 225986 244036 309244 391876 451972 1005043 1273597 1468909 1861411 2010086 2547194 2937818 3722822 4020172 5094388 5875636 7445644 16556761 19095817 24198343 33113522 35366809 38191634 48396686 66227044 70733618 76383268 96793372 141467236 314578459 459768517 629156918 919537034 1258313836 1839074068 5976990721 11953981442 23907962884