Base | Representation |
---|---|
bin | 11010010101001001… |
… | …001101111011000110 |
3 | 2200222022210200200122 |
4 | 122111021031323012 |
5 | 430400114302121 |
6 | 20553223341542 |
7 | 2020415151461 |
oct | 322511157306 |
9 | 80868720618 |
10 | 28272025286 |
11 | 10a9890405a |
12 | 55902b18b2 |
13 | 28873a265b |
14 | 1522b602d8 |
15 | b0709b5ab |
hex | 69524dec6 |
28272025286 has 16 divisors (see below), whose sum is σ = 42550915680. Its totient is φ = 14088465600.
The previous prime is 28272025283. The next prime is 28272025307. The reversal of 28272025286 is 68252027282.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28272025283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720986 + ... + 759186.
It is an arithmetic number, because the mean of its divisors is an integer number (2659432230).
Almost surely, 228272025286 is an apocalyptic number.
28272025286 is a deficient number, since it is larger than the sum of its proper divisors (14278890394).
28272025286 is a wasteful number, since it uses less digits than its factorization.
28272025286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39439.
The product of its (nonzero) digits is 430080, while the sum is 44.
The spelling of 28272025286 in words is "twenty-eight billion, two hundred seventy-two million, twenty-five thousand, two hundred eighty-six".
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