Base | Representation |
---|---|
bin | 11010001101101100… |
… | …010110010000001110 |
3 | 2200122121120121011200 |
4 | 122031230112100032 |
5 | 430121114013333 |
6 | 20533000130330 |
7 | 2014336460142 |
oct | 321554262016 |
9 | 80577517150 |
10 | 28147016718 |
11 | 10a34291297 |
12 | 55564669a6 |
13 | 2867513aa2 |
14 | 15102dd222 |
15 | aeb106c13 |
hex | 68db1640e |
28147016718 has 24 divisors (see below), whose sum is σ = 61012479528. Its totient is φ = 9378142512.
The previous prime is 28147016657. The next prime is 28147016741. The reversal of 28147016718 is 81761074182.
28147016718 is a `hidden beast` number, since 2 + 8 + 1 + 470 + 167 + 18 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308205 + ... + 388952.
It is an arithmetic number, because the mean of its divisors is an integer number (2542186647).
Almost surely, 228147016718 is an apocalyptic number.
28147016718 is an abundant number, since it is smaller than the sum of its proper divisors (32865462810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28147016718 is a wasteful number, since it uses less digits than its factorization.
28147016718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 699408 (or 699405 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 45.
The spelling of 28147016718 in words is "twenty-eight billion, one hundred forty-seven million, sixteen thousand, seven hundred eighteen".
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