Base | Representation |
---|---|
bin | 11010011101010100101… |
… | …100000111101101110110 |
3 | 20102211001221001110002000 |
4 | 122131110230013231312 |
5 | 214242124124041134 |
6 | 3511133233000130 |
7 | 245234331105201 |
oct | 32352454075566 |
9 | 6384057043060 |
10 | 1818192018294 |
11 | 6410aaaa3253 |
12 | 2544649b3046 |
13 | 1025bb196a82 |
14 | 64002900938 |
15 | 32466be0e99 |
hex | 1a754b07b76 |
1818192018294 has 16 divisors (see below), whose sum is σ = 4040426707440. Its totient is φ = 606064006080.
The previous prime is 1818192018257. The next prime is 1818192018323. The reversal of 1818192018294 is 4928102918181.
1818192018294 is a `hidden beast` number, since 181 + 81 + 92 + 0 + 18 + 294 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 33670222561 = 1818192018294 / (1 + 8 + 1 + 8 + 1 + 9 + 2 + 0 + 1 + 8 + 2 + 9 + 4).
It is a self number, because there is not a number n which added to its sum of digits gives 1818192018294.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16835111227 + ... + 16835111334.
It is an arithmetic number, because the mean of its divisors is an integer number (252526669215).
Almost surely, 21818192018294 is an apocalyptic number.
1818192018294 is an abundant number, since it is smaller than the sum of its proper divisors (2222234689146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1818192018294 is a wasteful number, since it uses less digits than its factorization.
1818192018294 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33670222572 (or 33670222566 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 54.
The spelling of 1818192018294 in words is "one trillion, eight hundred eighteen billion, one hundred ninety-two million, eighteen thousand, two hundred ninety-four".
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