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27830275828 = 2234720050631
BaseRepresentation
bin11001111010110100…
…000100111011110100
32122211112120111100121
4121322310010323310
5423444022311303
620441323221324
72003442304255
oct317264047364
978745514317
1027830275828
1110891513163
125488377844
132816a04144
1414c020cb2c
15acd3dc9bd
hex67ad04ef4

27830275828 has 12 divisors (see below), whose sum is σ = 48843339552. Its totient is φ = 13875035960.

The previous prime is 27830275819. The next prime is 27830275841. The reversal of 27830275828 is 82857203872.

It is a super-2 number, since 2×278302758282 (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10023928 + ... + 10026703.

It is an arithmetic number, because the mean of its divisors is an integer number (4070278296).

Almost surely, 227830275828 is an apocalyptic number.

It is an amenable number.

27830275828 is a deficient number, since it is larger than the sum of its proper divisors (21013063724).

27830275828 is a wasteful number, since it uses less digits than its factorization.

27830275828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050982 (or 20050980 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 27830275828 in words is "twenty-seven billion, eight hundred thirty million, two hundred seventy-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 347 694 1388 20050631 40101262 80202524 6957568957 13915137914 27830275828