Base | Representation |
---|---|
bin | 11010011000010101… |
… | …000111000111110101 |
3 | 2201010001101012122110 |
4 | 122120111013013311 |
5 | 431002310143210 |
6 | 21002413121233 |
7 | 2021634364125 |
oct | 323025070765 |
9 | 81101335573 |
10 | 28325474805 |
11 | 11015aa0511 |
12 | 55a6189219 |
13 | 2895497ba4 |
14 | 1529cb4c85 |
15 | b0bb08420 |
hex | 6985471f5 |
28325474805 has 32 divisors (see below), whose sum is σ = 45438382080. Its totient is φ = 15067776320.
The previous prime is 28325474789. The next prime is 28325474897. The reversal of 28325474805 is 50847452382.
It is not a de Polignac number, because 28325474805 - 24 = 28325474789 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13729204 + ... + 13731266.
It is an arithmetic number, because the mean of its divisors is an integer number (1419949440).
Almost surely, 228325474805 is an apocalyptic number.
It is an amenable number.
28325474805 is a deficient number, since it is larger than the sum of its proper divisors (17112907275).
28325474805 is a wasteful number, since it uses less digits than its factorization.
28325474805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4001.
The product of its (nonzero) digits is 2150400, while the sum is 48.
The spelling of 28325474805 in words is "twenty-eight billion, three hundred twenty-five million, four hundred seventy-four thousand, eight hundred five".
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