Base | Representation |
---|---|
bin | 111100001010000… |
… | …0001110000111100 |
3 | 12012200012020102220 |
4 | 1320110001300330 |
5 | 13113220003103 |
6 | 532143445340 |
7 | 101010050244 |
oct | 17024016074 |
9 | 5180166386 |
10 | 2018516028 |
11 | 946443a71 |
12 | 483bb6850 |
13 | 26225b1a9 |
14 | 152118b24 |
15 | bc31dc53 |
hex | 78501c3c |
2018516028 has 12 divisors (see below), whose sum is σ = 4709870760. Its totient is φ = 672838672.
The previous prime is 2018516009. The next prime is 2018516039. The reversal of 2018516028 is 8206158102.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 2018516028.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84104823 + ... + 84104846.
It is an arithmetic number, because the mean of its divisors is an integer number (392489230).
Almost surely, 22018516028 is an apocalyptic number.
It is an amenable number.
2018516028 is an abundant number, since it is smaller than the sum of its proper divisors (2691354732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018516028 is a wasteful number, since it uses less digits than its factorization.
2018516028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168209676 (or 168209674 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 2018516028 is about 44927.8981035169. The cubic root of 2018516028 is about 1263.7972347065.
The spelling of 2018516028 in words is "two billion, eighteen million, five hundred sixteen thousand, twenty-eight".
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