Base | Representation |
---|---|
bin | 11010001000011001… |
… | …100011011111100101 |
3 | 2200102102110110012200 |
4 | 122020121203133211 |
5 | 424430400013013 |
6 | 20520104405113 |
7 | 2012210541261 |
oct | 321031433745 |
9 | 80372413180 |
10 | 28058204133 |
11 | 10999141063 |
12 | 5530776799 |
13 | 2851cb946b |
14 | 15025c10a1 |
15 | ae3411e73 |
hex | 6886637e5 |
28058204133 has 6 divisors (see below), whose sum is σ = 40528517094. Its totient is φ = 18705469416.
The previous prime is 28058204131. The next prime is 28058204171. The reversal of 28058204133 is 33140285082.
28058204133 is a `hidden beast` number, since 2 + 8 + 0 + 582 + 0 + 41 + 33 = 666.
It can be written as a sum of positive squares in only one way, i.e., 17180131329 + 10878072804 = 131073^2 + 104298^2 .
It is not a de Polignac number, because 28058204133 - 21 = 28058204131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28058204131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558789110 + ... + 1558789127.
It is an arithmetic number, because the mean of its divisors is an integer number (6754752849).
Almost surely, 228058204133 is an apocalyptic number.
It is an amenable number.
28058204133 is a deficient number, since it is larger than the sum of its proper divisors (12470312961).
28058204133 is a wasteful number, since it uses less digits than its factorization.
28058204133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3117578243 (or 3117578240 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The spelling of 28058204133 in words is "twenty-eight billion, fifty-eight million, two hundred four thousand, one hundred thirty-three".
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