Base | Representation |
---|---|
bin | 10000110101110011… |
… | …001101111010101110 |
3 | 1201200012101120021010 |
4 | 100311303031322232 |
5 | 244013104103412 |
6 | 12150150250050 |
7 | 1210046416566 |
oct | 206563157256 |
9 | 51605346233 |
10 | 18082487982 |
11 | 773a102949 |
12 | 3607956926 |
13 | 1922352240 |
14 | c3777dda6 |
15 | 70c74e33c |
hex | 435ccdeae |
18082487982 has 16 divisors (see below), whose sum is σ = 38946897360. Its totient is φ = 5563842432.
The previous prime is 18082487923. The next prime is 18082487993. The reversal of 18082487982 is 28978428081.
It is a congruent number.
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, 115913307 + ... + 115913462.
It is an arithmetic number, because the mean of its divisors is an integer number (2434181085).
Almost surely, 218082487982 is an apocalyptic number.
18082487982 is an abundant number, since it is smaller than the sum of its proper divisors (20864409378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18082487982 is a wasteful number, since it uses less digits than its factorization.
18082487982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231826787.
The product of its (nonzero) digits is 4128768, while the sum is 57.
The spelling of 18082487982 in words is "eighteen billion, eighty-two million, four hundred eighty-seven thousand, nine hundred eighty-two".
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