Base | Representation |
---|---|
bin | 11010010111110000… |
… | …010110000111010010 |
3 | 2201002101020112220100 |
4 | 122113300112013102 |
5 | 430442323240012 |
6 | 21001430353230 |
7 | 2021456433204 |
oct | 322760260722 |
9 | 81071215810 |
10 | 28315836882 |
11 | 11010608393 |
12 | 55a2abb816 |
13 | 28934a2088 |
14 | 15288c6774 |
15 | b0ad528dc |
hex | 697c161d2 |
28315836882 has 12 divisors (see below), whose sum is σ = 61350979950. Its totient is φ = 9438612288.
The previous prime is 28315836853. The next prime is 28315836979. The reversal of 28315836882 is 28863851382.
28315836882 is a `hidden beast` number, since 28 + 31 + 583 + 6 + 8 + 8 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 26392926681 + 1922910201 = 162459^2 + 43851^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786551007 + ... + 786551042.
Almost surely, 228315836882 is an apocalyptic number.
28315836882 is an abundant number, since it is smaller than the sum of its proper divisors (33035143068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28315836882 is a wasteful number, since it uses less digits than its factorization.
28315836882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1573102057 (or 1573102054 counting only the distinct ones).
The product of its digits is 4423680, while the sum is 54.
The spelling of 28315836882 in words is "twenty-eight billion, three hundred fifteen million, eight hundred thirty-six thousand, eight hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •