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23031344012 = 2247122507149
BaseRepresentation
bin10101011100110001…
…100110101110001100
32012110002112111111012
4111130301212232030
5334132011002022
614325213344352
71443511123355
oct253461465614
965402474435
1023031344012
119849658706
1245691980b8
132230714b11
141186b2ad2c
158ebe51de2
hex55cc66b8c

23031344012 has 12 divisors (see below), whose sum is σ = 41162402400. Its totient is φ = 11270657616.

The previous prime is 23031343969. The next prime is 23031344027. The reversal of 23031344012 is 21044313032.

It is a super-2 number, since 2×230313440122 (a number of 22 digits) contains 22 as substring.

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, 61253387 + ... + 61253762.

It is an arithmetic number, because the mean of its divisors is an integer number (3430200200).

Almost surely, 223031344012 is an apocalyptic number.

It is an amenable number.

23031344012 is a deficient number, since it is larger than the sum of its proper divisors (18131058388).

23031344012 is a wasteful number, since it uses less digits than its factorization.

23031344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122507200 (or 122507198 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23031344012 its reverse (21044313032), we get a palindrome (44075657044).

The spelling of 23031344012 in words is "twenty-three billion, thirty-one million, three hundred forty-four thousand, twelve".

Divisors: 1 2 4 47 94 188 122507149 245014298 490028596 5757836003 11515672006 23031344012