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12031233254 = 2231021256169
BaseRepresentation
bin10110011010001111…
…00000110011100110
31011001110212222022122
423031013200303212
5144114443431004
65305503025542
7604100536535
oct131507406346
934043788278
1012031233254
115114354687
1223b929b2b2
13119977bc41
14821c2c31c
154a638ecbe
hex2cd1e0ce6

12031233254 has 16 divisors (see below), whose sum is σ = 18850013280. Its totient is φ = 5748409920.

The previous prime is 12031233239. The next prime is 12031233281. The reversal of 12031233254 is 45233213021.

It is a happy number.

12031233254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120312332542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81119 + ... + 175050.

It is an arithmetic number, because the mean of its divisors is an integer number (1178125830).

Almost surely, 212031233254 is an apocalyptic number.

12031233254 is a deficient number, since it is larger than the sum of its proper divisors (6818780026).

12031233254 is a wasteful number, since it uses less digits than its factorization.

12031233254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257215.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12031233254 its reverse (45233213021), we get a palindrome (57264446275).

The spelling of 12031233254 in words is "twelve billion, thirty-one million, two hundred thirty-three thousand, two hundred fifty-four".

Divisors: 1 2 23 46 1021 2042 23483 46966 256169 512338 5891887 11783774 261548549 523097098 6015616627 12031233254