Base | Representation |
---|---|
bin | 11010101011011111… |
… | …111100111000000010 |
3 | 2201221110112121212102 |
4 | 122223133330320002 |
5 | 432132123133042 |
6 | 21054342230402 |
7 | 2032621122641 |
oct | 325337747002 |
9 | 81843477772 |
10 | 28647083522 |
11 | 11170593942 |
12 | 5675a25402 |
13 | 2916cc03c5 |
14 | 155a8b1358 |
15 | b29e84b32 |
hex | 6ab7fce02 |
28647083522 has 18 divisors (see below), whose sum is σ = 45358470243. Its totient is φ = 13567516884.
The previous prime is 28647083497. The next prime is 28647083587. The reversal of 28647083522 is 22538074682.
It can be written as a sum of positive squares in only one way, i.e., 14323541761 + 14323541761 = 119681^2 + 119681^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=119681.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4544729 + ... + 4551027.
Almost surely, 228647083522 is an apocalyptic number.
28647083522 is a deficient number, since it is larger than the sum of its proper divisors (16711386721).
28647083522 is an frugal number, since it uses more digits than its factorization.
28647083522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12638 (or 6320 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 47.
The spelling of 28647083522 in words is "twenty-eight billion, six hundred forty-seven million, eighty-three thousand, five hundred twenty-two".
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