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23031631444 = 22107529710159
BaseRepresentation
bin10101011100110010…
…101100111001010100
32012110010002002202211
4111130302230321110
5334132044201234
614325223443204
71443513431353
oct253462547124
965403062684
1023031631444
119849834658
1245692b6504
1322307b58b3
141186ba399a
158ebeac164
hex55ccace54

23031631444 has 24 divisors (see below), whose sum is σ = 40693726080. Its totient is φ = 11404914816.

The previous prime is 23031631429. The next prime is 23031631453. The reversal of 23031631444 is 44413613032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262037 + ... + 2272195.

It is an arithmetic number, because the mean of its divisors is an integer number (1695571920).

Almost surely, 223031631444 is an apocalyptic number.

It is an amenable number.

23031631444 is a deficient number, since it is larger than the sum of its proper divisors (17662094636).

23031631444 is a wasteful number, since it uses less digits than its factorization.

23031631444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15567 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 23031631444 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 107 214 428 5297 10159 10594 20318 21188 40636 566779 1087013 1133558 2174026 2267116 4348052 53812223 107624446 215248892 5757907861 11515815722 23031631444