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12133210 = 251923361
BaseRepresentation
bin101110010010…
…001101011010
3211211102122011
4232102031122
511101230320
61112020134
7205062535
oct56221532
924742564
1012133210
116937951
12409164a
13268a81b
14187ba1c
1510ea05a
hexb9235a

12133210 has 24 divisors (see below), whose sum is σ = 23056596. Its totient is φ = 4596480.

The previous prime is 12133193. The next prime is 12133217. The reversal of 12133210 is 1233121.

12133210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 43681 = 3477^2 + 209^2 .

It is not an unprimeable number, because it can be changed into a prime (12133217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930 + ... + 5290.

Almost surely, 212133210 is an apocalyptic number.

12133210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133210 is a deficient number, since it is larger than the sum of its proper divisors (10923386).

12133210 is a wasteful number, since it uses less digits than its factorization.

12133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12133210 is about 3483.2757570999. The cubic root of 12133210 is about 229.7868851373.

Adding to 12133210 its reverse (1233121), we get a palindrome (13366331).

The spelling of 12133210 in words is "twelve million, one hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 361 722 1805 3361 3610 6722 16805 33610 63859 127718 319295 638590 1213321 2426642 6066605 12133210