Base | Representation |
---|---|
bin | 11010100100100001… |
… | …011111000011000110 |
3 | 2201122022022110101000 |
4 | 122210201133003012 |
5 | 431412142421001 |
6 | 21035001514130 |
7 | 2030000245062 |
oct | 324441370306 |
9 | 81568273330 |
10 | 28530045126 |
11 | 111105151a0 |
12 | 56427a2946 |
13 | 28c899250b |
14 | 1549126aa2 |
15 | b1ea66a86 |
hex | 6a485f0c6 |
28530045126 has 64 divisors (see below), whose sum is σ = 69196032000. Its totient is φ = 8641432800.
The previous prime is 28530045121. The next prime is 28530045143. The reversal of 28530045126 is 62154003582.
28530045126 is a `hidden beast` number, since 285 + 300 + 4 + 51 + 26 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28530045121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1414996 + ... + 1435016.
It is an arithmetic number, because the mean of its divisors is an integer number (1081188000).
Almost surely, 228530045126 is an apocalyptic number.
28530045126 is an abundant number, since it is smaller than the sum of its proper divisors (40665986874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28530045126 is a wasteful number, since it uses less digits than its factorization.
28530045126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22442 (or 22436 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 28530045126 in words is "twenty-eight billion, five hundred thirty million, forty-five thousand, one hundred twenty-six".
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