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28382830675 = 5217389171679
BaseRepresentation
bin11010011011101111…
…111010000001010011
32201021001022012002221
4122123233322001103
5431112001040200
621012222321511
72023232036323
oct323357720123
981231265087
1028382830675
1111045405861
125601429297
1328a432a484
141533765283
15b11b8791a
hex69bbfa053

28382830675 has 24 divisors (see below), whose sum is σ = 37361001600. Its totient is φ = 21315540480.

The previous prime is 28382830669. The next prime is 28382830681. The reversal of 28382830675 is 57603828382.

It is an interprime number because it is at equal distance from previous prime (28382830669) and next prime (28382830681).

It is not a de Polignac number, because 28382830675 - 217 = 28382699603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79486 + ... + 251164.

It is an arithmetic number, because the mean of its divisors is an integer number (1556708400).

Almost surely, 228382830675 is an apocalyptic number.

28382830675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28382830675 is a deficient number, since it is larger than the sum of its proper divisors (8978170925).

28382830675 is a wasteful number, since it uses less digits than its factorization.

28382830675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172095 (or 172090 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 28382830675 in words is "twenty-eight billion, three hundred eighty-two million, eight hundred thirty thousand, six hundred seventy-five".

Divisors: 1 5 17 25 85 389 425 1945 6613 9725 33065 165325 171679 858395 2918543 4291975 14592715 66783131 72963575 333915655 1135313227 1669578275 5676566135 28382830675