Base | Representation |
---|---|
bin | 11010011010011011… |
… | …000010010111110101 |
3 | 2201012111102212112211 |
4 | 122122123002113311 |
5 | 431040302121040 |
6 | 21010105413421 |
7 | 2022541655263 |
oct | 323233022765 |
9 | 81174385484 |
10 | 28360582645 |
11 | 1103389a55a |
12 | 55b5a9a271 |
13 | 289c83aa65 |
14 | 1530813433 |
15 | b0ec408ea |
hex | 69a6c25f5 |
28360582645 has 16 divisors (see below), whose sum is σ = 34247930112. Its totient is φ = 22545414400.
The previous prime is 28360582637. The next prime is 28360582697. The reversal of 28360582645 is 54628506382.
It is not a de Polignac number, because 28360582645 - 23 = 28360582637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 500424 + ... + 554206.
It is an arithmetic number, because the mean of its divisors is an integer number (2140495632).
Almost surely, 228360582645 is an apocalyptic number.
It is an amenable number.
28360582645 is a deficient number, since it is larger than the sum of its proper divisors (5887347467).
28360582645 is a wasteful number, since it uses less digits than its factorization.
28360582645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54452.
The product of its (nonzero) digits is 2764800, while the sum is 49.
The spelling of 28360582645 in words is "twenty-eight billion, three hundred sixty million, five hundred eighty-two thousand, six hundred forty-five".
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