Base | Representation |
---|---|
bin | 1100101111001101100011… |
… | …00111101011110111111000 |
3 | 10200011202220020101201122010 |
4 | 12113212301213223313320 |
5 | 12132410411144122033 |
6 | 135323454540525520 |
7 | 5620455232053651 |
oct | 627466147536770 |
9 | 120152806351563 |
10 | 28010461707768 |
11 | 8a1a196448151 |
12 | 3184746b508a0 |
13 | 12824b5431007 |
14 | 6cb9dc0c8528 |
15 | 33893a4ab863 |
hex | 1979b19ebdf8 |
28010461707768 has 32 divisors (see below), whose sum is σ = 74145339815760. Its totient is φ = 8787595829760.
The previous prime is 28010461707727. The next prime is 28010461707769. The reversal of 28010461707768 is 86770716401082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28010461707769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34326545803 + ... + 34326546618.
Almost surely, 228010461707768 is an apocalyptic number.
It is an amenable number.
28010461707768 is an abundant number, since it is smaller than the sum of its proper divisors (46134878107992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28010461707768 is a wasteful number, since it uses less digits than its factorization.
28010461707768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68653092447 (or 68653092443 counting only the distinct ones).
The product of its (nonzero) digits is 6322176, while the sum is 57.
The spelling of 28010461707768 in words is "twenty-eight trillion, ten billion, four hundred sixty-one million, seven hundred seven thousand, seven hundred sixty-eight".
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