Base | Representation |
---|---|
bin | 11010110001101001… |
… | …110000010011100001 |
3 | 2202012122210102021000 |
4 | 122301221300103201 |
5 | 432340040114034 |
6 | 21112511022213 |
7 | 2035313442336 |
oct | 326151602341 |
9 | 82178712230 |
10 | 28750316769 |
11 | 11213893579 |
12 | 56a450a969 |
13 | 29324c6775 |
14 | 156a4a498d |
15 | b34077599 |
hex | 6b1a704e1 |
28750316769 has 64 divisors (see below), whose sum is σ = 43794432000. Its totient is φ = 18635883840.
The previous prime is 28750316759. The next prime is 28750316783. The reversal of 28750316769 is 96761305782.
It is not a de Polignac number, because 28750316769 - 212 = 28750312673 is a prime.
It is a super-3 number, since 3×287503167693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28750316759) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65490252 + ... + 65490690.
It is an arithmetic number, because the mean of its divisors is an integer number (684288000).
Almost surely, 228750316769 is an apocalyptic number.
It is an amenable number.
28750316769 is a deficient number, since it is larger than the sum of its proper divisors (15044115231).
28750316769 is a wasteful number, since it uses less digits than its factorization.
28750316769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915 (or 909 counting only the distinct ones).
The product of its (nonzero) digits is 3810240, while the sum is 54.
The spelling of 28750316769 in words is "twenty-eight billion, seven hundred fifty million, three hundred sixteen thousand, seven hundred sixty-nine".
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