Base | Representation |
---|---|
bin | 1100111110001100000011… |
… | …10110110101001111111110 |
3 | 10201222222011020012000222010 |
4 | 12133012001312311033332 |
5 | 12214323303422304421 |
6 | 140400121404032050 |
7 | 6002603330142024 |
oct | 637060166651776 |
9 | 121888136160863 |
10 | 28525056447486 |
11 | 90a8454799605 |
12 | 324841b832626 |
13 | 12bbb94164141 |
14 | 70889779c714 |
15 | 347007552076 |
hex | 19f181db53fe |
28525056447486 has 16 divisors (see below), whose sum is σ = 60052750416000. Its totient is φ = 9007912562328.
The previous prime is 28525056447401. The next prime is 28525056447527. The reversal of 28525056447486 is 68474465052582.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125109896586 + ... + 125109896813.
It is an arithmetic number, because the mean of its divisors is an integer number (3753296901000).
Almost surely, 228525056447486 is an apocalyptic number.
28525056447486 is an abundant number, since it is smaller than the sum of its proper divisors (31527693968514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28525056447486 is a wasteful number, since it uses less digits than its factorization.
28525056447486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250219793423.
The product of its (nonzero) digits is 516096000, while the sum is 66.
The spelling of 28525056447486 in words is "twenty-eight trillion, five hundred twenty-five billion, fifty-six million, four hundred forty-seven thousand, four hundred eighty-six".
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