Base | Representation |
---|---|
bin | 10001000001100111… |
… | …110100111111010010 |
3 | 1202012000121022211101 |
4 | 101001213310333102 |
5 | 244414343011012 |
6 | 12221553335014 |
7 | 1215005324131 |
oct | 210147647722 |
9 | 52160538741 |
10 | 18280828882 |
11 | 7831062348 |
12 | 366226746a |
13 | 1954478314 |
14 | c55c4d918 |
15 | 71ed7bd57 |
hex | 4419f4fd2 |
18280828882 has 16 divisors (see below), whose sum is σ = 28031777280. Its totient is φ = 8937279648.
The previous prime is 18280828837. The next prime is 18280828901. The reversal of 18280828882 is 28882808281.
It is a happy number.
It is a super-2 number, since 2×182808288822 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078 + ... + 191254.
It is an arithmetic number, because the mean of its divisors is an integer number (1751986080).
Almost surely, 218280828882 is an apocalyptic number.
18280828882 is a deficient number, since it is larger than the sum of its proper divisors (9750948398).
18280828882 is a wasteful number, since it uses less digits than its factorization.
18280828882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188265.
The product of its (nonzero) digits is 2097152, while the sum is 55.
The spelling of 18280828882 in words is "eighteen billion, two hundred eighty million, eight hundred twenty-eight thousand, eight hundred eighty-two".
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