Base | Representation |
---|---|
bin | 11010110100001101… |
… | …100100100011101101 |
3 | 2202022122121011200000 |
4 | 122310031210203231 |
5 | 432432033312034 |
6 | 21121043254513 |
7 | 2036344450134 |
oct | 326415444355 |
9 | 82278534600 |
10 | 28793260269 |
11 | 11236054674 |
12 | 56b697a439 |
13 | 293b381017 |
14 | 157208291b |
15 | b37c0b599 |
hex | 6b43648ed |
28793260269 has 96 divisors (see below), whose sum is σ = 46193347200. Its totient is φ = 17871114240.
The previous prime is 28793260211. The next prime is 28793260283. The reversal of 28793260269 is 96206239782.
It is a happy number.
28793260269 is a `hidden beast` number, since 28 + 7 + 9 + 3 + 2 + 602 + 6 + 9 = 666.
It is not a de Polignac number, because 28793260269 - 215 = 28793227501 is a prime.
It is a super-2 number, since 2×287932602692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28793260289) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119473989 + ... + 119474229.
It is an arithmetic number, because the mean of its divisors is an integer number (481180700).
Almost surely, 228793260269 is an apocalyptic number.
It is an amenable number.
28793260269 is a deficient number, since it is larger than the sum of its proper divisors (17400086931).
28793260269 is a wasteful number, since it uses less digits than its factorization.
28793260269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617 (or 605 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 28793260269 in words is "twenty-eight billion, seven hundred ninety-three million, two hundred sixty thousand, two hundred sixty-nine".
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