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28325474807 = 74512189681
BaseRepresentation
bin11010011000010101…
…000111000111110111
32201010001101012122112
4122120111013013313
5431002310143212
621002413121235
72021634364130
oct323025070767
981101335575
1028325474807
1111015aa0513
1255a618921b
132895497ba6
141529cb4c87
15b0bb08422
hex6985471f7

28325474807 has 8 divisors (see below), whose sum is σ = 32373049632. Its totient is φ = 24278169600.

The previous prime is 28325474789. The next prime is 28325474897. The reversal of 28325474807 is 70847452382.

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 28325474807 - 210 = 28325473783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28325474897) 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, 271007 + ... + 360687.

It is an arithmetic number, because the mean of its divisors is an integer number (4046631204).

Almost surely, 228325474807 is an apocalyptic number.

28325474807 is a deficient number, since it is larger than the sum of its proper divisors (4047574825).

28325474807 is an equidigital number, since it uses as much as digits as its factorization.

28325474807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134809.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 28325474807 in words is "twenty-eight billion, three hundred twenty-five million, four hundred seventy-four thousand, eight hundred seven".

Divisors: 1 7 45121 89681 315847 627767 4046496401 28325474807