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18093928776 = 23371141475081
BaseRepresentation
bin10000110110011110…
…110111000101001000
31201200222220211002020
4100312132313011020
5244024021210101
612151235404440
71210245566640
oct206636670510
951628824066
1018093928776
117745607550
12360b753720
131924829841
14c390bb520
1570d75e136
hex4367b7148

18093928776 has 256 divisors, whose sum is σ = 59012997120. Its totient is φ = 4486656000.

The previous prime is 18093928759. The next prime is 18093928807. The reversal of 18093928776 is 67782939081.

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 63 ways as a sum of consecutive naturals, for example, 3558556 + ... + 3563636.

It is an arithmetic number, because the mean of its divisors is an integer number (230519520).

Almost surely, 218093928776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18093928776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29506498560).

18093928776 is an abundant number, since it is smaller than the sum of its proper divisors (40919068344).

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

18093928776 is a wasteful number, since it uses less digits than its factorization.

18093928776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 18093928776 in words is "eighteen billion, ninety-three million, nine hundred twenty-eight thousand, seven hundred seventy-six".