Base | Representation |
---|---|
bin | 11010110101010010… |
… | …100101001101011100 |
3 | 2202100220122021022111 |
4 | 122311102211031130 |
5 | 433001201212001 |
6 | 21122531123404 |
7 | 2036654304340 |
oct | 326522451534 |
9 | 82326567274 |
10 | 28811350876 |
11 | 11245290390 |
12 | 5700a43564 |
13 | 2942046319 |
14 | 1574631620 |
15 | b395d1851 |
hex | 6b54a535c |
28811350876 has 48 divisors (see below), whose sum is σ = 63656893440. Its totient is φ = 11083101120.
The previous prime is 28811350871. The next prime is 28811350901. The reversal of 28811350876 is 67805311882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28811350871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567715 + ... + 616378.
It is an arithmetic number, because the mean of its divisors is an integer number (1326185280).
Almost surely, 228811350876 is an apocalyptic number.
It is an amenable number.
28811350876 is an abundant number, since it is smaller than the sum of its proper divisors (34845542564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28811350876 is a wasteful number, since it uses less digits than its factorization.
28811350876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184194 (or 1184192 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 49.
The spelling of 28811350876 in words is "twenty-eight billion, eight hundred eleven million, three hundred fifty thousand, eight hundred seventy-six".
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