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12133223230 = 2517943115727
BaseRepresentation
bin10110100110011001…
…00100101100111110
31011022120210121021011
423103030210230332
5144322101120410
65323545025434
7606446460442
oct132314445476
934276717234
1012133223230
115166985217
12242748527a
1311b493b43b
148315ba822
154b02d918a
hex2d3324b3e

12133223230 has 32 divisors (see below), whose sum is σ = 22014167040. Its totient is φ = 4814672160.

The previous prime is 12133223227. The next prime is 12133223231. The reversal of 12133223230 is 3232233121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133223231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763627 + ... + 779353.

It is an arithmetic number, because the mean of its divisors is an integer number (687942720).

Almost surely, 212133223230 is an apocalyptic number.

12133223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133223230 is a deficient number, since it is larger than the sum of its proper divisors (9880943810).

12133223230 is a wasteful number, since it uses less digits than its factorization.

12133223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16344.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12133223230 its reverse (3232233121), we get a palindrome (15365456351).

The spelling of 12133223230 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 179 358 431 862 895 1790 2155 4310 15727 31454 77149 78635 154298 157270 385745 771490 2815133 5630266 6778337 13556674 14075665 28151330 33891685 67783370 1213322323 2426644646 6066611615 12133223230