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18849768048 = 2432130901167
BaseRepresentation
bin10001100011100010…
…001010001001110000
31210122200011102122100
4101203202022021300
5302101020034143
612354235540400
71235054245656
oct214342121160
953580142570
1018849768048
117aa3225801
1237a08ba700
131a152ba107
14cab62cdd6
15754cb16d3
hex46388a270

18849768048 has 30 divisors (see below), whose sum is σ = 52753170704. Its totient is φ = 6283255968.

The previous prime is 18849768031. The next prime is 18849768089. The reversal of 18849768048 is 84086794881.

18849768048 is a `hidden beast` number, since 1 + 88 + 497 + 68 + 0 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65450440 + ... + 65450727.

Almost surely, 218849768048 is an apocalyptic number.

18849768048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18849768048 is an abundant number, since it is smaller than the sum of its proper divisors (33903402656).

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

18849768048 is a wasteful number, since it uses less digits than its factorization.

18849768048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130901181 (or 130901172 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 18849768048 in words is "eighteen billion, eight hundred forty-nine million, seven hundred sixty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 130901167 261802334 392703501 523604668 785407002 1047209336 1178110503 1570814004 2094418672 2356221006 3141628008 4712442012 6283256016 9424884024 18849768048