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999979000110 = 2325194127152631
BaseRepresentation
bin11101000110100110110…
…01001010000100101110
310112121010020220112001100
432203103121022010232
5112340424111000420
62043214540223530
7132150261153606
oct16432331120456
93477106815040
10999979000110
113560a8092412
12141976b3aba6
13733b3b2527c
143658373bc06
151b0299b9190
hexe8d364a12e

999979000110 has 192 divisors, whose sum is σ = 2813934090240. Its totient is φ = 245550528000.

The previous prime is 999979000109. The next prime is 999979000127. The reversal of 999979000110 is 11000979999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18973495 + ... + 19026125.

It is an arithmetic number, because the mean of its divisors is an integer number (14655906720).

Almost surely, 2999979000110 is an apocalyptic number.

999979000110 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a pronic number, being equal to 999989×999990.

It is a practical number, because each smaller number is the sum of distinct divisors of 999979000110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406967045120).

999979000110 is an abundant number, since it is smaller than the sum of its proper divisors (1813955090130).

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

999979000110 is a wasteful number, since it uses less digits than its factorization.

999979000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52975 (or 52972 counting only the distinct ones).

The product of its (nonzero) digits is 413343, while the sum is 54.

The spelling of 999979000110 in words is "nine hundred ninety-nine billion, nine hundred seventy-nine million, one hundred ten", and thus it is an aban number.