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16809113088 = 29334147631
BaseRepresentation
bin11111010011110011…
…01011011000000000
31121101110022102022000
433221321223120000
5233411113104323
611415541344000
71133355050415
oct175171533000
947343272260
1016809113088
1171463404a9
123311408000
13177b5aa081
14b565d010c
15685a6ce43
hex3e9e6b600

16809113088 has 320 divisors, whose sum is σ = 52136663040. Its totient is φ = 5341593600.

The previous prime is 16809113033. The next prime is 16809113107. The reversal of 16809113088 is 88031190861.

16809113088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 26638533 + ... + 26639163.

It is an arithmetic number, because the mean of its divisors is an integer number (162927072).

Almost surely, 216809113088 is an apocalyptic number.

16809113088 is a gapful number since it is divisible by the number (18) 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 16809113088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26068331520).

16809113088 is an abundant number, since it is smaller than the sum of its proper divisors (35327549952).

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

16809113088 is an equidigital number, since it uses as much as digits as its factorization.

16809113088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 16809113088 in words is "sixteen billion, eight hundred nine million, one hundred thirteen thousand, eighty-eight".