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12024313231 = 717197512917
BaseRepresentation
bin10110011001011010…
…00111010110001111
31011000222212101211111
423030231013112033
5144111211010411
65305054432451
7603654655540
oct131455072617
934028771744
1012024313231
115110458557
1223b6b02727
1311981c8258
14820d4a4c7
154a5974721
hex2ccb4758f

12024313231 has 16 divisors (see below), whose sum is σ = 14624318016. Its totient is φ = 9651027456.

The previous prime is 12024313159. The next prime is 12024313241. The reversal of 12024313231 is 13231342021.

It is not a de Polignac number, because 12024313231 - 29 = 12024312719 is a prime.

It is a super-2 number, since 2×120243132312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12024313241) 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 15 ways as a sum of consecutive naturals, for example, 233016 + ... + 279901.

It is an arithmetic number, because the mean of its divisors is an integer number (914019876).

Almost surely, 212024313231 is an apocalyptic number.

12024313231 is a deficient number, since it is larger than the sum of its proper divisors (2600004785).

12024313231 is a wasteful number, since it uses less digits than its factorization.

12024313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513138.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12024313231 its reverse (13231342021), we get a palindrome (25255655252).

The spelling of 12024313231 in words is "twelve billion, twenty-four million, three hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 7 17 119 197 1379 3349 23443 512917 3590419 8719589 61037123 101044649 707312543 1717759033 12024313231