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18340226112 = 263132975827
BaseRepresentation
bin10001000101001010…
…011010010001000000
31202100011101000111210
4101011022122101000
5300030044213422
612231514410120
71216326230655
oct210512322100
952304330453
1018340226112
11786164136a
12367a130940
131963873b00
14c5dab1c2c
157251b110c
hex44529a440

18340226112 has 168 divisors, whose sum is σ = 53095830816. Its totient is φ = 5584011264.

The previous prime is 18340226087. The next prime is 18340226123. The reversal of 18340226112 is 21162204381.

It is a self number, because there is not a number n which added to its sum of digits gives 18340226112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3144543 + ... + 3150369.

It is an arithmetic number, because the mean of its divisors is an integer number (316046612).

Almost surely, 218340226112 is an apocalyptic number.

18340226112 is a gapful number since it is divisible by the number (12) 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 18340226112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26547915408).

18340226112 is an abundant number, since it is smaller than the sum of its proper divisors (34755604704).

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

18340226112 is a wasteful number, since it uses less digits than its factorization.

18340226112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 18340226112 in words is "eighteen billion, three hundred forty million, two hundred twenty-six thousand, one hundred twelve".