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23212113232 = 2471159319339
BaseRepresentation
bin10101100111100011…
…001011110101010000
32012220200200112020111
4111213203023311100
5340014300110412
614355152051104
71451134464340
oct254743136520
965820615214
1023212113232
1199316a6260
1245b9833a94
13225bcc7b59
1411a2b44d20
1590cc5d2a7
hex5678cbd50

23212113232 has 80 divisors (see below), whose sum is σ = 57021350400. Its totient is φ = 8890369920.

The previous prime is 23212113209. The next prime is 23212113251. The reversal of 23212113232 is 23231121232.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86982 + ... + 232357.

It is an arithmetic number, because the mean of its divisors is an integer number (712766880).

Almost surely, 223212113232 is an apocalyptic number.

23212113232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23212113232 is an abundant number, since it is smaller than the sum of its proper divisors (33809237168).

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

23212113232 is a wasteful number, since it uses less digits than its factorization.

23212113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319424 (or 319418 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 23212113232 its reverse (23231121232), we get a palindrome (46443234464).

The spelling of 23212113232 in words is "twenty-three billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 59 77 88 112 118 154 176 236 308 413 472 616 649 826 944 1232 1298 1652 2596 3304 4543 5192 6608 9086 10384 18172 36344 72688 319339 638678 1277356 2235373 2554712 3512729 4470746 5109424 7025458 8941492 14050916 17882984 18841001 24589103 28101832 35765968 37682002 49178206 56203664 75364004 98356412 131887007 150728008 196712824 207251011 263774014 301456016 393425648 414502022 527548028 829004044 1055096056 1450757077 1658008088 2110192112 2901514154 3316016176 5803028308 11606056616 23212113232