Base | Representation |
---|---|
bin | 110101110110001… |
… | …1011011100010000 |
3 | 11122220211101210020 |
4 | 1223230123130100 |
5 | 12200020340343 |
6 | 455142103440 |
7 | 62526423165 |
oct | 15354333420 |
9 | 4586741706 |
10 | 1806808848 |
11 | 847995259 |
12 | 42511ab80 |
13 | 22a435280 |
14 | 131d6a06c |
15 | a8950b83 |
hex | 6bb1b710 |
1806808848 has 80 divisors (see below), whose sum is σ = 5073800256. Its totient is φ = 550725120.
The previous prime is 1806808831. The next prime is 1806808853. The reversal of 1806808848 is 8488086081.
1806808848 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×18068088482 = 6529116426422174208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1806808848.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53238 + ... + 80298.
Almost surely, 21806808848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1806808848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536900128).
1806808848 is an abundant number, since it is smaller than the sum of its proper divisors (3266991408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1806808848 is a wasteful number, since it uses less digits than its factorization.
1806808848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27192 (or 27186 counting only the distinct ones).
The product of its (nonzero) digits is 786432, while the sum is 51.
The square root of 1806808848 is about 42506.5741738851. The cubic root of 1806808848 is about 1217.9722761909.
The spelling of 1806808848 in words is "one billion, eight hundred six million, eight hundred eight thousand, eight hundred forty-eight".
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