Base | Representation |
---|---|
bin | 11101010111110110111… |
… | …000011101001110110000 |
3 | 21010222001110100021211201 |
4 | 131113312320131032300 |
5 | 231032322301004002 |
6 | 4143135551020544 |
7 | 265554566665201 |
oct | 35276670351660 |
9 | 7128043307751 |
10 | 2018481656752 |
11 | 709040301080 |
12 | 28724150a754 |
13 | 11845a4c6742 |
14 | 6d9a32595a8 |
15 | 3778a7c9087 |
hex | 1d5f6e1d3b0 |
2018481656752 has 80 divisors (see below), whose sum is σ = 4298543625600. Its totient is φ = 910570014720.
The previous prime is 2018481656747. The next prime is 2018481656771. The reversal of 2018481656752 is 2576561848102.
It is a junction number, because it is equal to n+sod(n) for n = 2018481656693 and 2018481656702.
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, 77953824 + ... + 77979712.
It is an arithmetic number, because the mean of its divisors is an integer number (53731795320).
Almost surely, 22018481656752 is an apocalyptic number.
2018481656752 is a gapful number since it is divisible by the number (22) 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 2018481656752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2149271812800).
2018481656752 is an abundant number, since it is smaller than the sum of its proper divisors (2280061968848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018481656752 is a wasteful number, since it uses less digits than its factorization.
2018481656752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29234 (or 29228 counting only the distinct ones).
The product of its (nonzero) digits is 6451200, while the sum is 55.
The spelling of 2018481656752 in words is "two trillion, eighteen billion, four hundred eighty-one million, six hundred fifty-six thousand, seven hundred fifty-two".
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