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12233230332 = 2231953654519
BaseRepresentation
bin10110110010010100…
…00100011111111100
31011120112222111012220
423121022010133330
5200023201332312
65341520325340
7612102512361
oct133112043774
934515874186
1012233230332
115208381014
122454a73850
1311cc58523b
148409b0468
154b8e90c8c
hex2d92847fc

12233230332 has 24 divisors (see below), whose sum is σ = 30046531200. Its totient is φ = 3863125296.

The previous prime is 12233230327. The next prime is 12233230391. The reversal of 12233230332 is 23303233221.

It is a super-3 number, since 3×122332303323 (a number of 31 digits) contains 333 as substring.

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, 26827032 + ... + 26827487.

It is an arithmetic number, because the mean of its divisors is an integer number (1251938800).

Almost surely, 212233230332 is an apocalyptic number.

12233230332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12233230332 is an abundant number, since it is smaller than the sum of its proper divisors (17813300868).

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

12233230332 is a wasteful number, since it uses less digits than its factorization.

12233230332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53654545 (or 53654543 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 12233230332 its reverse (23303233221), we get a palindrome (35536463553).

The spelling of 12233230332 in words is "twelve billion, two hundred thirty-three million, two hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 53654519 107309038 160963557 214618076 321927114 643854228 1019435861 2038871722 3058307583 4077743444 6116615166 12233230332