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12041588442 = 2313154379339
BaseRepresentation
bin10110011011011110…
…00000111011011010
31011002012101001222010
423031233000323122
5144130121312232
65310513010350
7604254545562
oct131557007332
934065331863
1012041588442
11511a187694
1224008539b6
13119b966380
14823365da2
154a72380cc
hex2cdbc0eda

12041588442 has 16 divisors (see below), whose sum is σ = 25935729120. Its totient is φ = 3705104112.

The previous prime is 12041588441. The next prime is 12041588443. The reversal of 12041588442 is 24488514021.

It is an interprime number because it is at equal distance from previous prime (12041588441) and next prime (12041588443).

It is a super-3 number, since 3×120415884423 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12041588442.

It is not an unprimeable number, because it can be changed into a prime (12041588441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77189592 + ... + 77189747.

It is an arithmetic number, because the mean of its divisors is an integer number (1620983070).

Almost surely, 212041588442 is an apocalyptic number.

12041588442 is an abundant number, since it is smaller than the sum of its proper divisors (13894140678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12041588442 is a wasteful number, since it uses less digits than its factorization.

12041588442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154379357.

The product of its (nonzero) digits is 81920, while the sum is 39.

The spelling of 12041588442 in words is "twelve billion, forty-one million, five hundred eighty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 154379339 308758678 463138017 926276034 2006931407 4013862814 6020794221 12041588442