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27808325016 = 23310710828787
BaseRepresentation
bin11001111001100000…
…010101110110011000
32122210000021021111120
4121321200111312120
5423422412400031
620435220525240
72003054601603
oct317140256630
978700237446
1027808325016
111088009019a
125480b50820
1328122b9ab4
1414bb33733a
15acb503a96
hex679815d98

27808325016 has 32 divisors (see below), whose sum is σ = 70170546240. Its totient is φ = 9182810528.

The previous prime is 27808324993. The next prime is 27808325047. The reversal of 27808325016 is 61052380872.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5411826 + ... + 5416961.

It is an arithmetic number, because the mean of its divisors is an integer number (2192829570).

Almost surely, 227808325016 is an apocalyptic number.

It is an amenable number.

27808325016 is an abundant number, since it is smaller than the sum of its proper divisors (42362221224).

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

27808325016 is a wasteful number, since it uses less digits than its factorization.

27808325016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828903 (or 10828899 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 27808325016 in words is "twenty-seven billion, eight hundred eight million, three hundred twenty-five thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 107 214 321 428 642 856 1284 2568 10828787 21657574 32486361 43315148 64972722 86630296 129945444 259890888 1158680209 2317360418 3476040627 4634720836 6952081254 9269441672 13904162508 27808325016