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31442422422888 = 23321372131827149
BaseRepresentation
bin1110010011000110000100…
…11010110101110101101000
311010022212101110221220221200
413021203002122311311220
513110123040120013023
6150512241025404200
76423432352603401
oct711430232656550
9133285343856850
1031442422422888
11a022724834574
123639903799660
131471013c354a9
147a9b6db7c9a8
15397d52425743
hex1c98c26b5d68

31442422422888 has 48 divisors (see below), whose sum is σ = 85162769698500. Its totient is φ = 10480043293440.

The previous prime is 31442422422871. The next prime is 31442422422913. The reversal of 31442422422888 is 88822422424413.

31442422422888 is a `hidden beast` number, since 314 + 4 + 2 + 4 + 2 + 2 + 42 + 288 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30774734060004 + 667688362884 = 5547498^2 + 817122^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14925663 + ... + 16901486.

Almost surely, 231442422422888 is an apocalyptic number.

It is an amenable number.

31442422422888 is an abundant number, since it is smaller than the sum of its proper divisors (53720347275612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31442422422888 is a wasteful number, since it uses less digits than its factorization.

31442422422888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31840882 (or 31840875 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 54.

The spelling of 31442422422888 in words is "thirty-one trillion, four hundred forty-two billion, four hundred twenty-two million, four hundred twenty-two thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 13721 27442 41163 54884 82326 109768 123489 164652 246978 329304 493956 987912 31827149 63654298 95481447 127308596 190962894 254617192 286444341 381925788 572888682 763851576 1145777364 2291554728 436700311429 873400622858 1310100934287 1746801245716 2620201868574 3493602491432 3930302802861 5240403737148 7860605605722 10480807474296 15721211211444 31442422422888