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28854075059 = 202611424119
BaseRepresentation
bin11010110111110101…
…100011111010110011
32202110220000212212122
4122313311203322303
5433043120400214
621131054544455
72041013406545
oct326765437263
982426025778
1028854075059
1111267411727
12571320812b
13294ab54ac4
14157a193695
15b3d22088e
hex6b7d63eb3

28854075059 has 4 divisors (see below), whose sum is σ = 28855519440. Its totient is φ = 28852630680.

The previous prime is 28854075037. The next prime is 28854075091. The reversal of 28854075059 is 95057045882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28854075059 - 216 = 28854009523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28854075059.

It is not an unprimeable number, because it can be changed into a prime (28854075959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691799 + ... + 732320.

It is an arithmetic number, because the mean of its divisors is an integer number (7213879860).

Almost surely, 228854075059 is an apocalyptic number.

28854075059 is a deficient number, since it is larger than the sum of its proper divisors (1444381).

28854075059 is a wasteful number, since it uses less digits than its factorization.

28854075059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444380.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 28854075059 in words is "twenty-eight billion, eight hundred fifty-four million, seventy-five thousand, fifty-nine".

Divisors: 1 20261 1424119 28854075059