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27228582005 = 531717931319
BaseRepresentation
bin11001010110111100…
…110011000001110101
32121021121101021121012
4121112330303001311
5421231004111010
620301511002005
71652515062002
oct312674630165
977247337535
1027228582005
1110602908739
12533a969305
13274c1645b1
1414643448a9
15a95688005
hex656f33075

27228582005 has 32 divisors (see below), whose sum is σ = 34637414400. Its totient is φ = 20519553600.

The previous prime is 27228581983. The next prime is 27228582013. The reversal of 27228582005 is 50028582272.

It is not a de Polignac number, because 27228582005 - 214 = 27228565621 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 853736 + ... + 885054.

It is an arithmetic number, because the mean of its divisors is an integer number (1082419200).

Almost surely, 227228582005 is an apocalyptic number.

It is an amenable number.

27228582005 is a deficient number, since it is larger than the sum of its proper divisors (7408832395).

27228582005 is a wasteful number, since it uses less digits than its factorization.

27228582005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31505.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 27228582005 in words is "twenty-seven billion, two hundred twenty-eight million, five hundred eighty-two thousand, five".

Divisors: 1 5 31 71 79 155 355 395 2201 2449 5609 11005 12245 28045 31319 156595 173879 869395 970889 2223649 2474201 4854445 11118245 12371005 68933119 76700231 175668271 344665595 383501155 878341355 5445716401 27228582005