Search a number
-
+
23978735568632 = 2313435361971281
BaseRepresentation
bin1010111001110111111000…
…00001000000011011111000
310010220100022022101011120202
411130323330001000123320
511120331422301144012
6122555402401341332
75023256264241215
oct534737401003370
9103810268334522
1023978735568632
117705363116689
1228332a6037848
13104c2537713b0
145cc8113b2b0c
152b8b1e0adcc2
hex15cefc0406f8

23978735568632 has 32 divisors (see below), whose sum is σ = 49544614645680. Its totient is φ = 10809734100480.

The previous prime is 23978735568607. The next prime is 23978735568649. The reversal of 23978735568632 is 23686553787932.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23978735568632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680981169 + ... + 2680990112.

Almost surely, 223978735568632 is an apocalyptic number.

It is an amenable number.

23978735568632 is an abundant number, since it is smaller than the sum of its proper divisors (25565879077048).

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

23978735568632 is a wasteful number, since it uses less digits than its factorization.

23978735568632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361971343 (or 5361971339 counting only the distinct ones).

The product of its digits is 2743372800, while the sum is 74.

The spelling of 23978735568632 in words is "twenty-three trillion, nine hundred seventy-eight billion, seven hundred thirty-five million, five hundred sixty-eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 26 43 52 86 104 172 344 559 1118 2236 4472 5361971281 10723942562 21447885124 42895770248 69705626653 139411253306 230564765083 278822506612 461129530166 557645013224 922259060332 1844518120664 2997341946079 5994683892158 11989367784316 23978735568632