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27775055057 = 193374337819
BaseRepresentation
bin11001110111100001…
…011011010011010001
32122200200122222200212
4121313201123103101
5423340403230212
620432031453505
72002202033621
oct316741332321
978620588625
1027775055057
1110863326a62
125471987295
13280843b629
1414b6b56881
15ac8630e22
hex67785b4d1

27775055057 has 8 divisors (see below), whose sum is σ = 29323663200. Its totient is φ = 26235123264.

The previous prime is 27775055041. The next prime is 27775055069. The reversal of 27775055057 is 75055057772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27775055057 - 24 = 27775055041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27775054996 and 27775055014.

It is not an unprimeable number, because it can be changed into a prime (27775055017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2162507 + ... + 2175312.

It is an arithmetic number, because the mean of its divisors is an integer number (3665457900).

Almost surely, 227775055057 is an apocalyptic number.

It is an amenable number.

27775055057 is a deficient number, since it is larger than the sum of its proper divisors (1548608143).

27775055057 is a wasteful number, since it uses less digits than its factorization.

27775055057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338175.

The product of its (nonzero) digits is 3001250, while the sum is 50.

The spelling of 27775055057 in words is "twenty-seven billion, seven hundred seventy-five million, fifty-five thousand, fifty-seven".

Divisors: 1 19 337 6403 4337819 82418561 1461845003 27775055057