Base | Representation |
---|---|
bin | 11010111001101110… |
… | …001101010001011110 |
3 | 2202120002112200111200 |
4 | 122321232031101132 |
5 | 433124214423401 |
6 | 21134144500330 |
7 | 2041546261560 |
oct | 327156152136 |
9 | 82502480450 |
10 | 28885701726 |
11 | 11283253272 |
12 | 572191a6a6 |
13 | 29545792cb |
14 | 1580467330 |
15 | b40dbb686 |
hex | 6b9b8d45e |
28885701726 has 48 divisors (see below), whose sum is σ = 72431923200. Its totient is φ = 8148585744.
The previous prime is 28885701721. The next prime is 28885701739. The reversal of 28885701726 is 62710758882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28885701721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441006 + ... + 1460913.
It is an arithmetic number, because the mean of its divisors is an integer number (1508998400).
Almost surely, 228885701726 is an apocalyptic number.
28885701726 is an abundant number, since it is smaller than the sum of its proper divisors (43546221474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28885701726 is a wasteful number, since it uses less digits than its factorization.
28885701726 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2902013 (or 2902010 counting only the distinct ones).
The product of its (nonzero) digits is 3010560, while the sum is 54.
The spelling of 28885701726 in words is "twenty-eight billion, eight hundred eighty-five million, seven hundred one thousand, seven hundred twenty-six".
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