Base | Representation |
---|---|
bin | 1000010010000110110011… |
… | …00000111011011100101100 |
3 | 2101111021022121212022102220 |
4 | 10021003121200323130230 |
5 | 4341410402004414040 |
6 | 102423312213315340 |
7 | 3556640411531541 |
oct | 411033140733454 |
9 | 71437277768386 |
10 | 18214310623020 |
11 | 5892711556326 |
12 | 206207b935b50 |
13 | a217a9b27805 |
14 | 46d812302bc8 |
15 | 218be186c2d0 |
hex | 1090d983b72c |
18214310623020 has 96 divisors (see below), whose sum is σ = 52191152133120. Its totient is φ = 4743734876160.
The previous prime is 18214310623001. The next prime is 18214310623027. The reversal of 18214310623020 is 2032601341281.
It is a super-2 number, since 2×182143106230202 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18214310623027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26829565 + ... + 27500075.
It is an arithmetic number, because the mean of its divisors is an integer number (543657834720).
Almost surely, 218214310623020 is an apocalyptic number.
18214310623020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18214310623020 is an abundant number, since it is smaller than the sum of its proper divisors (33976841510100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18214310623020 is a wasteful number, since it uses less digits than its factorization.
18214310623020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681095 (or 681093 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The spelling of 18214310623020 in words is "eighteen trillion, two hundred fourteen billion, three hundred ten million, six hundred twenty-three thousand, twenty".
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