Base | Representation |
---|---|
bin | 1100110000011110101010… |
… | …01101110010101000100000 |
3 | 10200022221022002111122210010 |
4 | 12120033111031302220200 |
5 | 12134114102143304243 |
6 | 135355500021204520 |
7 | 5623556325233055 |
oct | 630172515625040 |
9 | 120287262448703 |
10 | 28054008572448 |
11 | 8a36702522111 |
12 | 319107a860740 |
13 | 128663527b171 |
14 | 6cdb6d77302c |
15 | 339b3855b433 |
hex | 1983d5372a20 |
28054008572448 has 96 divisors (see below), whose sum is σ = 75634219777536. Its totient is φ = 9098341244928.
The previous prime is 28054008572441. The next prime is 28054008572483. The reversal of 28054008572448 is 84427580045082.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (28054008572441) 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, 157559440 + ... + 157737392.
It is an arithmetic number, because the mean of its divisors is an integer number (787856456016).
Almost surely, 228054008572448 is an apocalyptic number.
It is an amenable number.
28054008572448 is an abundant number, since it is smaller than the sum of its proper divisors (47580211205088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28054008572448 is a wasteful number, since it uses less digits than its factorization.
28054008572448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222386 (or 222378 counting only the distinct ones).
The product of its (nonzero) digits is 22937600, while the sum is 57.
The spelling of 28054008572448 in words is "twenty-eight trillion, fifty-four billion, eight million, five hundred seventy-two thousand, four hundred forty-eight".
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