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27109842695 = 513622167043
BaseRepresentation
bin11001001111110111…
…110101111100000111
32120222022221200212222
4121033313311330013
5421010104431240
620242030002555
71646543601155
oct311767657407
976868850788
1027109842695
1110551888081
12530704645b
13273068c450
1414526763d5
15a8a030eb5
hex64fdf5f07

27109842695 has 16 divisors (see below), whose sum is σ = 35040412512. Its totient is φ = 20016059520.

The previous prime is 27109842667. The next prime is 27109842719. The reversal of 27109842695 is 59624890172.

It is not a de Polignac number, because 27109842695 - 28 = 27109842439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370844 + ... + 437886.

It is an arithmetic number, because the mean of its divisors is an integer number (2190025782).

Almost surely, 227109842695 is an apocalyptic number.

27109842695 is a deficient number, since it is larger than the sum of its proper divisors (7930569817).

27109842695 is a wasteful number, since it uses less digits than its factorization.

27109842695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73282.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 27109842695 in words is "twenty-seven billion, one hundred nine million, eight hundred forty-two thousand, six hundred ninety-five".

Divisors: 1 5 13 65 6221 31105 67043 80873 335215 404365 871559 4357795 417074503 2085372515 5421968539 27109842695