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27485165344 = 25713174711813
BaseRepresentation
bin11001100110001111…
…100101011100100000
32121221111012001202211
4121212033211130200
5422242200242334
620343154251504
71662052023250
oct314617453440
977844161684
1027485165344
111072472858a
1253b0886b94
132790370660
14148a455960
15aace6ca64
hex6663e5720

27485165344 has 192 divisors, whose sum is σ = 72022680576. Its totient is φ = 10015064064.

The previous prime is 27485165329. The next prime is 27485165423. The reversal of 27485165344 is 44356158472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2320782 + ... + 2332594.

It is an arithmetic number, because the mean of its divisors is an integer number (375118128).

Almost surely, 227485165344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27485165344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36011340288).

27485165344 is an abundant number, since it is smaller than the sum of its proper divisors (44537515232).

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

27485165344 is a wasteful number, since it uses less digits than its factorization.

27485165344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907 (or 11899 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 27485165344 in words is "twenty-seven billion, four hundred eighty-five million, one hundred sixty-five thousand, three hundred forty-four".