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12232442441 = 25394817819
BaseRepresentation
bin10110110010001110…
…00100001001001001
31011120111111110102202
423121013010021021
5200023001124231
65341451405545
7612063021332
oct133107041111
934514443382
1012232442441
11520799306a
1224547538b5
1311cc36a72b
14840847289
154b8d875cb
hex2d91c4249

12232442441 has 4 divisors (see below), whose sum is σ = 12237262800. Its totient is φ = 12227622084.

The previous prime is 12232442419. The next prime is 12232442477. The reversal of 12232442441 is 14424423221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12232442441 - 26 = 12232442377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232442401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406371 + ... + 2411448.

It is an arithmetic number, because the mean of its divisors is an integer number (3059315700).

Almost surely, 212232442441 is an apocalyptic number.

It is an amenable number.

12232442441 is a deficient number, since it is larger than the sum of its proper divisors (4820359).

12232442441 is an equidigital number, since it uses as much as digits as its factorization.

12232442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820358.

The product of its digits is 12288, while the sum is 29.

Adding to 12232442441 its reverse (14424423221), we get a palindrome (26656865662).

The spelling of 12232442441 in words is "twelve billion, two hundred thirty-two million, four hundred forty-two thousand, four hundred forty-one".

Divisors: 1 2539 4817819 12232442441