Base | Representation |
---|---|
bin | 101000110111111100011… |
… | …001001110100001011000 |
3 | 100221112010110021110000022 |
4 | 220313330121032201120 |
5 | 332010010104201200 |
6 | 5550211135130012 |
7 | 406634606023046 |
oct | 50677431164130 |
9 | 10845113243008 |
10 | 2808848115800 |
11 | 993253597981 |
12 | 394459673908 |
13 | 174b4768260c |
14 | 99d3ddb1396 |
15 | 4d0e7e98885 |
hex | 28dfc64e858 |
2808848115800 has 96 divisors (see below), whose sum is σ = 6547931947200. Its totient is φ = 1120555054080.
The previous prime is 2808848115769. The next prime is 2808848115809. The reversal of 2808848115800 is 85118488082.
It is a happy number.
2808848115800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2808848115809) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221215052 + ... + 221227748.
It is an arithmetic number, because the mean of its divisors is an integer number (68207624450).
Almost surely, 22808848115800 is an apocalyptic number.
2808848115800 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 2808848115800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3273965973600).
2808848115800 is an abundant number, since it is smaller than the sum of its proper divisors (3739083831400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2808848115800 is a wasteful number, since it uses less digits than its factorization.
2808848115800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15565 (or 15556 counting only the distinct ones).
The product of its (nonzero) digits is 1310720, while the sum is 53.
The spelling of 2808848115800 in words is "two trillion, eight hundred eight billion, eight hundred forty-eight million, one hundred fifteen thousand, eight hundred".
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