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23132111312 = 241445756957
BaseRepresentation
bin10101100010110010…
…000000000111010000
32012201010011000020102
4111202302000013100
5334333310030222
614343213231532
71446143462522
oct254262000720
965633130212
1023132111312
1198a0523672
124596a925a8
13224856693b
14119627ba12
15905c08d92
hex562c801d0

23132111312 has 10 divisors (see below), whose sum is σ = 44818465698. Its totient is φ = 11566055648.

The previous prime is 23132111257. The next prime is 23132111323. The reversal of 23132111312 is 21311123132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18956883856 + 4175227456 = 137684^2 + 64616^2 .

It is a super-2 number, since 2×231321113122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722878463 + ... + 722878494.

Almost surely, 223132111312 is an apocalyptic number.

It is an amenable number.

23132111312 is a deficient number, since it is larger than the sum of its proper divisors (21686354386).

23132111312 is a wasteful number, since it uses less digits than its factorization.

23132111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445756965 (or 1445756959 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 23132111312 its reverse (21311123132), we get a palindrome (44443234444).

The spelling of 23132111312 in words is "twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 1445756957 2891513914 5783027828 11566055656 23132111312