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18074582322 = 237142428597
BaseRepresentation
bin10000110101010101…
…000011110100110010
31201122122111220201220
4100311111003310302
5244004043113242
612145305005510
71206622262166
oct206525036462
951578456656
1018074582322
1177356a3245
123605183896
131920814a34
14c366c2ca6
1570bbdbbec
hex435543d32

18074582322 has 16 divisors (see below), whose sum is σ = 36658308672. Its totient is φ = 5940003440.

The previous prime is 18074582261. The next prime is 18074582363. The reversal of 18074582322 is 22328547081.

It is a super-2 number, since 2×180745823222 (a number of 21 digits) contains 22 as substring.

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, 21213873 + ... + 21214724.

It is an arithmetic number, because the mean of its divisors is an integer number (2291144292).

Almost surely, 218074582322 is an apocalyptic number.

18074582322 is an abundant number, since it is smaller than the sum of its proper divisors (18583726350).

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

18074582322 is a wasteful number, since it uses less digits than its factorization.

18074582322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42428673.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 18074582322 in words is "eighteen billion, seventy-four million, five hundred eighty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 71 142 213 426 42428597 84857194 127285791 254571582 3012430387 6024860774 9037291161 18074582322