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827200813375 = 5317389270971
BaseRepresentation
bin11000000100110010000…
…00101011100100111111
32221002011001021020012001
430002121000223210333
5102023101402012000
61432002200123131
7113522543620636
oct14023100534477
92832131236161
10827200813375
112998a5326452
12114397a664a7
136000a43a811
142c072b1c51d
15167b62e246a
hexc09902b93f

827200813375 has 16 divisors (see below), whose sum is σ = 1093072889376. Its totient is φ = 622833552000.

The previous prime is 827200813367. The next prime is 827200813427. The reversal of 827200813375 is 573318002728.

It is not a de Polignac number, because 827200813375 - 23 = 827200813367 is a prime.

It is a super-2 number, since 2×8272008133752 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194633361 + ... + 194637610.

It is an arithmetic number, because the mean of its divisors is an integer number (68317055586).

Almost surely, 2827200813375 is an apocalyptic number.

827200813375 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

827200813375 is a deficient number, since it is larger than the sum of its proper divisors (265872076001).

827200813375 is a wasteful number, since it uses less digits than its factorization.

827200813375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389271003 (or 389270993 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 827200813375 in words is "eight hundred twenty-seven billion, two hundred million, eight hundred thirteen thousand, three hundred seventy-five".

Divisors: 1 5 17 25 85 125 425 2125 389270971 1946354855 6617606507 9731774275 33088032535 48658871375 165440162675 827200813375