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27187094340 = 22345722314891
BaseRepresentation
bin11001010100011110…
…100010001101000100
32121011201022111020000
4121110132202031010
5421134344004330
620253425441300
71651502326500
oct312436421504
977151274200
1027187094340
111059145140a
125328aa0230
132743699893
14145ca25300
15a91be0560
hex6547a2344

27187094340 has 360 divisors, whose sum is σ = 103531804992. Its totient is φ = 5943611520.

The previous prime is 27187094339. The next prime is 27187094351. The reversal of 27187094340 is 4349078172.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1818295 + ... + 1833185.

Almost surely, 227187094340 is an apocalyptic number.

27187094340 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 27187094340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51765902496).

27187094340 is an abundant number, since it is smaller than the sum of its proper divisors (76344710652).

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

27187094340 is a wasteful number, since it uses less digits than its factorization.

27187094340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949 (or 14931 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27187094340 in words is "twenty-seven billion, one hundred eighty-seven million, ninety-four thousand, three hundred forty".