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18334965480 = 23351324122051
BaseRepresentation
bin10001000100110110…
…010101111011101000
31202022210110202021120
4101010312111323220
5300022222343410
612231205535240
71216233430566
oct210466257350
952283422246
1018334965480
117859678a37
123678414520
131962751500
14c5d102a36
157249c2570
hex444d95ee8

18334965480 has 192 divisors, whose sum is σ = 61017001920. Its totient is φ = 4402944000.

The previous prime is 18334965479. The next prime is 18334965491. The reversal of 18334965480 is 8456943381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 820455 + ... + 842505.

It is an arithmetic number, because the mean of its divisors is an integer number (317796885).

Almost surely, 218334965480 is an apocalyptic number.

18334965480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18334965480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30508500960).

18334965480 is an abundant number, since it is smaller than the sum of its proper divisors (42682036440).

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

18334965480 is a wasteful number, since it uses less digits than its factorization.

18334965480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132 (or 22115 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 18334965480 in words is "eighteen billion, three hundred thirty-four million, nine hundred sixty-five thousand, four hundred eighty".