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12041404423 = 43565349537
BaseRepresentation
bin10110011011011100…
…10100000000000111
31011002012000201112121
423031232110000013
5144130044420143
65310505030411
7604253151226
oct131556240007
934065021477
1012041404423
11511a071404
122400785407
13119b900699
14823318cbd
154a71ed7ed
hex2cdb94007

12041404423 has 8 divisors (see below), whose sum is σ = 12323865488. Its totient is φ = 11759053824.

The previous prime is 12041404421. The next prime is 12041404469. The reversal of 12041404423 is 32440414021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12041404423 - 21 = 12041404421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041404421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218311 + ... + 267847.

It is an arithmetic number, because the mean of its divisors is an integer number (1540483186).

Almost surely, 212041404423 is an apocalyptic number.

12041404423 is a deficient number, since it is larger than the sum of its proper divisors (282461065).

12041404423 is an equidigital number, since it uses as much as digits as its factorization.

12041404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12041404423 its reverse (32440414021), we get a palindrome (44481818444).

The spelling of 12041404423 in words is "twelve billion, forty-one million, four hundred four thousand, four hundred twenty-three".

Divisors: 1 43 5653 49537 243079 2130091 280032661 12041404423