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28482920575 = 522939286787
BaseRepresentation
bin11010100001101101…
…101110000001111111
32201112000122021122021
4122201231232001333
5431313111424300
621030155501011
72025555554524
oct324155560177
981460567567
1028482920575
111109695888a
12562aa57767
1328bbca2b75
141542b7b14b
15b1a858d1a
hex6a1b6e07f

28482920575 has 12 divisors (see below), whose sum is σ = 36536712840. Its totient is φ = 22000600160.

The previous prime is 28482920513. The next prime is 28482920579. The reversal of 28482920575 is 57502928482.

It is not a de Polignac number, because 28482920575 - 213 = 28482912383 is a prime.

It is a super-2 number, since 2×284829205752 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28482920579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19642669 + ... + 19644118.

It is an arithmetic number, because the mean of its divisors is an integer number (3044726070).

Almost surely, 228482920575 is an apocalyptic number.

28482920575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28482920575 is a deficient number, since it is larger than the sum of its proper divisors (8053792265).

28482920575 is a wasteful number, since it uses less digits than its factorization.

28482920575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39286826 (or 39286821 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 28482920575 in words is "twenty-eight billion, four hundred eighty-two million, nine hundred twenty thousand, five hundred seventy-five".

Divisors: 1 5 25 29 145 725 39286787 196433935 982169675 1139316823 5696584115 28482920575