Base | Representation |
---|---|
bin | 11010100101011010… |
… | …111110000010010100 |
3 | 2201200100200001100002 |
4 | 122211122332002110 |
5 | 431430022124020 |
6 | 21040300510432 |
7 | 2030242316315 |
oct | 324532760224 |
9 | 81610601302 |
10 | 28545114260 |
11 | 11118a77923 |
12 | 564784b418 |
13 | 28cbb3a470 |
14 | 154b12a60c |
15 | b21041975 |
hex | 6a56be094 |
28545114260 has 96 divisors (see below), whose sum is σ = 65198794752. Its totient is φ = 10435322880.
The previous prime is 28545114209. The next prime is 28545114287. The reversal of 28545114260 is 6241154582.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11569547 + ... + 11572013.
It is an arithmetic number, because the mean of its divisors is an integer number (679154112).
Almost surely, 228545114260 is an apocalyptic number.
28545114260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28545114260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32599397376).
28545114260 is an abundant number, since it is smaller than the sum of its proper divisors (36653680492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28545114260 is a wasteful number, since it uses less digits than its factorization.
28545114260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 38.
The spelling of 28545114260 in words is "twenty-eight billion, five hundred forty-five million, one hundred fourteen thousand, two hundred sixty".
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