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232330021212 = 223172151443659
BaseRepresentation
bin1101100001011111110…
…0101100100101011100
3211012200110220221002110
43120113330230211130
512301302441134322
6254421514354020
722533232411422
oct3302774544534
9735613827073
10232330021212
118a5922706a3
123903aa2b910
1318ba733ac43
14b35db71112
15609b8eec0c
hex3617f2c95c

232330021212 has 72 divisors (see below), whose sum is σ = 579682606720. Its totient is φ = 72404985600.

The previous prime is 232330021181. The next prime is 232330021249. The reversal of 232330021212 is 212120033232.

It is a happy number.

232330021212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301839 + ... + 745497.

Almost surely, 2232330021212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232330021212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289841303360).

232330021212 is an abundant number, since it is smaller than the sum of its proper divisors (347352585508).

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

232330021212 is a wasteful number, since it uses less digits than its factorization.

232330021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443851 (or 443832 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 232330021212 its reverse (212120033232), we get a palindrome (444450054444).

The spelling of 232330021212 in words is "two hundred thirty-two billion, three hundred thirty million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 151 204 289 302 453 578 604 867 906 1156 1734 1812 2567 3468 5134 7701 10268 15402 30804 43639 87278 130917 174556 261834 443659 523668 887318 1330977 1774636 2661954 5323908 7542203 15084406 22626609 30168812 45253218 66992509 90506436 128217451 133985018 200977527 256434902 267970036 384652353 401955054 512869804 769304706 803910108 1138872653 1538609412 2277745306 3416617959 4555490612 6833235918 13666471836 19360835101 38721670202 58082505303 77443340404 116165010606 232330021212