Base | Representation |
---|---|
bin | 11010001000100100… |
… | …100000100101111100 |
3 | 2200102121212100110001 |
4 | 122020210200211330 |
5 | 424432113411321 |
6 | 20520250124044 |
7 | 2012244131503 |
oct | 321044404574 |
9 | 80377770401 |
10 | 28061075836 |
11 | 1099a822672 |
12 | 5531720624 |
13 | 28527835b1 |
14 | 1502b2b83a |
15 | ae37ccc91 |
hex | 68892097c |
28061075836 has 12 divisors (see below), whose sum is σ = 49108193680. Its totient is φ = 14030163360.
The previous prime is 28061075771. The next prime is 28061075863. The reversal of 28061075836 is 63857016082.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139321 + ... + 274831.
Almost surely, 228061075836 is an apocalyptic number.
It is an amenable number.
28061075836 is a deficient number, since it is larger than the sum of its proper divisors (21047117844).
28061075836 is a wasteful number, since it uses less digits than its factorization.
28061075836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187284 (or 187282 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 28061075836 in words is "twenty-eight billion, sixty-one million, seventy-five thousand, eight hundred thirty-six".
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