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18876000000 = 2835611213
BaseRepresentation
bin10001100101000110…
…001110011100000000
31210201111112011010010
4101211012032130000
5302124224000000
612401014104520
71235523231654
oct214506163400
953644464103
1018876000000
118007012200
1237a964b140
131a1a872c90
14cb0cdaa64
15757243d50
hex46518e700

18876000000 has 756 divisors, whose sum is σ = 74333579768. Its totient is φ = 4224000000.

The previous prime is 18875999959. The next prime is 18876000001. The reversal of 18876000000 is 67881.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18876000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1451999994 + ... + 1452000006.

Almost surely, 218876000000 is an apocalyptic number.

18876000000 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 18876000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37166789884).

18876000000 is an abundant number, since it is smaller than the sum of its proper divisors (55457579768).

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

18876000000 is an frugal number, since it uses more digits than its factorization.

18876000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 18876000000 its reverse (67881), we get a palindrome (18876067881).

The spelling of 18876000000 in words is "eighteen billion, eight hundred seventy-six million", and thus it is an aban number.