Base | Representation |
---|---|
bin | 10000110001011111… |
… | …101000110001001010 |
3 | 1201111011110022012020 |
4 | 100301133220301022 |
5 | 243341110334333 |
6 | 12135050025310 |
7 | 1205211365316 |
oct | 206137506112 |
9 | 51434408166 |
10 | 18010246218 |
11 | 7702350608 |
12 | 35a7718236 |
13 | 19103aa233 |
14 | c2bd36b46 |
15 | 70622e3b3 |
hex | 4317e8c4a |
18010246218 has 64 divisors (see below), whose sum is σ = 37645340544. Its totient is φ = 5739264000.
The previous prime is 18010246201. The next prime is 18010246231. The reversal of 18010246218 is 81264201081.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4244578 + ... + 4248818.
It is an arithmetic number, because the mean of its divisors is an integer number (588208446).
Almost surely, 218010246218 is an apocalyptic number.
18010246218 is an abundant number, since it is smaller than the sum of its proper divisors (19635094326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18010246218 is a wasteful number, since it uses less digits than its factorization.
18010246218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4631.
The product of its (nonzero) digits is 6144, while the sum is 33.
Adding to 18010246218 its reverse (81264201081), we get a palindrome (99274447299).
The spelling of 18010246218 in words is "eighteen billion, ten million, two hundred forty-six thousand, two hundred eighteen".
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