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27109293120 = 2632573132111
BaseRepresentation
bin11001001111110101…
…101111110001000000
32120222021220210000100
4121033311233301000
5421004434334440
620242010122400
71646536122000
oct311765576100
976867823010
1027109293120
1110551542188
125306a20400
132730529260
141452572000
15a89e73230
hex64fd6fc40

27109293120 has 672 divisors, whose sum is σ = 117160243200. Its totient is φ = 5717053440.

The previous prime is 27109293109. The next prime is 27109293191. The reversal of 27109293120 is 2139290172.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12840865 + ... + 12842975.

It is an arithmetic number, because the mean of its divisors is an integer number (174345600).

Almost surely, 227109293120 is an apocalyptic number.

27109293120 is a gapful number since it is divisible by the number (20) 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 27109293120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58580121600).

27109293120 is an abundant number, since it is smaller than the sum of its proper divisors (90050950080).

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

27109293120 is a wasteful number, since it uses less digits than its factorization.

27109293120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 27109293120 in words is "twenty-seven billion, one hundred nine million, two hundred ninety-three thousand, one hundred twenty".