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28423427235 = 3571373197159
BaseRepresentation
bin11010011110001010…
…110001010010100011
32201100212200201010020
4122132022301102203
5431202344132420
621020232404523
72024234100540
oct323612612243
981325621106
1028423427235
1111066313635
125612b46743
1328ac8726c8
141538cd1bc7
15b15506340
hex69e2b14a3

28423427235 has 32 divisors (see below), whose sum is σ = 52012385280. Its totient is φ = 12984037248.

The previous prime is 28423427063. The next prime is 28423427251. The reversal of 28423427235 is 53272432482.

It is not a de Polignac number, because 28423427235 - 216 = 28423361699 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45586 + ... + 242744.

It is an arithmetic number, because the mean of its divisors is an integer number (1625387040).

Almost surely, 228423427235 is an apocalyptic number.

28423427235 is a deficient number, since it is larger than the sum of its proper divisors (23588958045).

28423427235 is a wasteful number, since it uses less digits than its factorization.

28423427235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198547.

The product of its digits is 645120, while the sum is 42.

The spelling of 28423427235 in words is "twenty-eight billion, four hundred twenty-three million, four hundred twenty-seven thousand, two hundred thirty-five".

Divisors: 1 3 5 7 15 21 35 105 1373 4119 6865 9611 20595 28833 48055 144165 197159 591477 985795 1380113 2957385 4140339 6900565 20701695 270699307 812097921 1353496535 1894895149 4060489605 5684685447 9474475745 28423427235