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23015143132 = 2231185605993
BaseRepresentation
bin10101011011110011…
…110011011011011100
32012101222001102001121
4111123303303123130
5334113334040012
614323434220324
71443223326442
oct253363633334
965358042047
1023015143132
1198404a2753
1245638846a4
13222a2619b7
141184910b92
158ea801a07
hex55bcf36dc

23015143132 has 12 divisors (see below), whose sum is σ = 41575742656. Its totient is φ = 11136359520.

The previous prime is 23015143127. The next prime is 23015143153. The reversal of 23015143132 is 23134151032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23015143097 and 23015143106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92802873 + ... + 92803120.

Almost surely, 223015143132 is an apocalyptic number.

It is an amenable number.

23015143132 is a deficient number, since it is larger than the sum of its proper divisors (18560599524).

23015143132 is a wasteful number, since it uses less digits than its factorization.

23015143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185606028 (or 185606026 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 23015143132 its reverse (23134151032), we get a palindrome (46149294164).

The spelling of 23015143132 in words is "twenty-three billion, fifteen million, one hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 31 62 124 185605993 371211986 742423972 5753785783 11507571566 23015143132