Base | Representation |
---|---|
bin | 10010101110101010… |
… | …010100110110011010 |
3 | 1220220111220000112022 |
4 | 102232222110312122 |
5 | 312141202401333 |
6 | 13123303214442 |
7 | 1311230611223 |
oct | 225652246632 |
9 | 56814800468 |
10 | 20110200218 |
11 | 858a758089 |
12 | 3a92a47422 |
13 | 1b86480174 |
14 | d8abb024a |
15 | 7ca787c98 |
hex | 4aea94d9a |
20110200218 has 8 divisors (see below), whose sum is σ = 31939729812. Its totient is φ = 9463623616.
The previous prime is 20110200211. The next prime is 20110200223. The reversal of 20110200218 is 81200201102.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 15700841809 + 4409358409 = 125303^2 + 66403^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 20110200196 and 20110200205.
It is not an unprimeable number, because it can be changed into a prime (20110200211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295738205 + ... + 295738272.
Almost surely, 220110200218 is an apocalyptic number.
20110200218 is a deficient number, since it is larger than the sum of its proper divisors (11829529594).
20110200218 is a wasteful number, since it uses less digits than its factorization.
20110200218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 591476496.
The product of its (nonzero) digits is 64, while the sum is 17.
The spelling of 20110200218 in words is "twenty billion, one hundred ten million, two hundred thousand, two hundred eighteen".
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