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12234889186 = 213236197897
BaseRepresentation
bin10110110010100000…
…11001011111100010
31011120200002202201221
423121100121133202
5200024112423221
65342020045254
7612122561602
oct133120313742
934520082657
1012234889186
115209304373
12245553382a
1311cca16300
14840cc2c02
154b91bc541
hex2d94197e2

12234889186 has 12 divisors (see below), whose sum is σ = 19872646002. Its totient is φ = 5646871776.

The previous prime is 12234889181. The next prime is 12234889189. The reversal of 12234889186 is 68198843221.

12234889186 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 3 ways, for example, as 8936109961 + 3298779225 = 94531^2 + 57435^2 .

It is not an unprimeable number, because it can be changed into a prime (12234889181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18098611 + ... + 18099286.

Almost surely, 212234889186 is an apocalyptic number.

12234889186 is a deficient number, since it is larger than the sum of its proper divisors (7637756816).

12234889186 is a wasteful number, since it uses less digits than its factorization.

12234889186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36197925 (or 36197912 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 12234889186 in words is "twelve billion, two hundred thirty-four million, eight hundred eighty-nine thousand, one hundred eighty-six".

Divisors: 1 2 13 26 169 338 36197897 72395794 470572661 941145322 6117444593 12234889186