Base | Representation |
---|---|
bin | 1100110111001111000001… |
… | …10001111000000000011000 |
3 | 10201011010110002110100010122 |
4 | 12123213200301320000120 |
5 | 12201414443442040000 |
6 | 140054245154332412 |
7 | 5646414455602022 |
oct | 633474061700030 |
9 | 121133402410118 |
10 | 28286130815000 |
11 | 9016098477603 |
12 | 320a05bb8a108 |
13 | 12a24a853a346 |
14 | 6db0ada99012 |
15 | 340bc1ab7085 |
hex | 19b9e0c78018 |
28286130815000 has 40 divisors (see below), whose sum is σ = 66274404511260. Its totient is φ = 11314452324000.
The previous prime is 28286130814987. The next prime is 28286130815023. The reversal of 28286130815000 is 51803168282.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2828608082 + ... + 2828618081.
Almost surely, 228286130815000 is an apocalyptic number.
28286130815000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28286130815000 is an abundant number, since it is smaller than the sum of its proper divisors (37988273696260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28286130815000 is an equidigital number, since it uses as much as digits as its factorization.
28286130815000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5657226189 (or 5657226170 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The spelling of 28286130815000 in words is "twenty-eight trillion, two hundred eighty-six billion, one hundred thirty million, eight hundred fifteen thousand".
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