Base | Representation |
---|---|
bin | 1000001110110101100110… |
… | …10001111100010000101001 |
3 | 2101002112102111122001021020 |
4 | 10013122303101330100221 |
5 | 4333040344000312111 |
6 | 102255535523203053 |
7 | 3545553302216025 |
oct | 407326321742051 |
9 | 71075374561236 |
10 | 18102000010281 |
11 | 584a0190a6710 |
12 | 2044357216489 |
13 | a1401ba0b045 |
14 | 4681da2cb385 |
15 | 215d1b9a8906 |
hex | 1076b347c429 |
18102000010281 has 16 divisors (see below), whose sum is σ = 26491716698880. Its totient is φ = 10903602903120.
The previous prime is 18102000010271. The next prime is 18102000010291. The reversal of 18102000010281 is 18201000020181.
It is an interprime number because it is at equal distance from previous prime (18102000010271) and next prime (18102000010291).
It is not a de Polignac number, because 18102000010281 - 25 = 18102000010249 is a prime.
It is a super-3 number, since 3×181020000102813 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (18102000010271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682649391 + ... + 1682660148.
It is an arithmetic number, because the mean of its divisors is an integer number (1655732293680).
Almost surely, 218102000010281 is an apocalyptic number.
18102000010281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
18102000010281 is a deficient number, since it is larger than the sum of its proper divisors (8389716688599).
18102000010281 is a wasteful number, since it uses less digits than its factorization.
18102000010281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3365309716.
The product of its (nonzero) digits is 256, while the sum is 24.
The spelling of 18102000010281 in words is "eighteen trillion, one hundred two billion, ten thousand, two hundred eighty-one".
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