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18119486112000 = 2835371323312909
BaseRepresentation
bin1000001111010110001011…
…00010001000000100000000
32101011012120010211001101020
410013223011202020010000
54333332201421041000
6102311551011105440
73550042520510310
oct407530542100400
971135503731336
1018119486112000
115856481599749
1220478172a2280
13a1587762b4b0
14468db8785440
152164e1ba0ba0
hex107ac5888100

18119486112000 has 2304 divisors, whose sum is σ = 79813750947840. Its totient is φ = 3537616896000.

The previous prime is 18119486111989. The next prime is 18119486112017. The reversal of 18119486112000 is 21168491181.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6228766546 + ... + 6228769454.

It is an arithmetic number, because the mean of its divisors is an integer number (34641384960).

Almost surely, 218119486112000 is an apocalyptic number.

18119486112000 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 18119486112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39906875473920).

18119486112000 is an abundant number, since it is smaller than the sum of its proper divisors (61694264835840).

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

18119486112000 is a wasteful number, since it uses less digits than its factorization.

18119486112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 42.

The spelling of 18119486112000 in words is "eighteen trillion, one hundred nineteen billion, four hundred eighty-six million, one hundred twelve thousand".