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18007896060 = 223257111996529
BaseRepresentation
bin10000110001010110…
…101010111111111100
31201111000000220101100
4100301112222333330
5243340010133220
612134523413100
71205152406460
oct206126527774
951430026340
1018007896060
117700a95930
1235a6984190
13190ca665cb
14c2b8c44a0
15705e17d90
hex4315aaffc

18007896060 has 288 divisors, whose sum is σ = 68455296000. Its totient is φ = 3722526720.

The previous prime is 18007896037. The next prime is 18007896077. The reversal of 18007896060 is 6069870081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 18007895997 and 18007896015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2754876 + ... + 2761404.

It is an arithmetic number, because the mean of its divisors is an integer number (237692000).

Almost surely, 218007896060 is an apocalyptic number.

18007896060 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 18007896060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34227648000).

18007896060 is an abundant number, since it is smaller than the sum of its proper divisors (50447399940).

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

18007896060 is a wasteful number, since it uses less digits than its factorization.

18007896060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6756 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 18007896060 in words is "eighteen billion, seven million, eight hundred ninety-six thousand, sixty".