Base | Representation |
---|---|
bin | 10000111111101100… |
… | …100101110010000010 |
3 | 1202002202211000022212 |
4 | 100333230211302002 |
5 | 244333110213012 |
6 | 12214441102122 |
7 | 1214133612422 |
oct | 207754456202 |
9 | 52082730285 |
10 | 18248522882 |
11 | 78148a7377 |
12 | 3653487942 |
13 | 194a876845 |
14 | c51840482 |
15 | 71c0e9b22 |
hex | 43fb25c82 |
18248522882 has 18 divisors (see below), whose sum is σ = 27861802563. Its totient is φ = 8964072724.
The previous prime is 18248522867. The next prime is 18248522947. The reversal of 18248522882 is 28822584281.
It can be written as a sum of positive squares in only one way, i.e., 9124261441 + 9124261441 = 95521^2 + 95521^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=95521.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18248522882.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11270669 + ... + 11272287.
Almost surely, 218248522882 is an apocalyptic number.
18248522882 is a deficient number, since it is larger than the sum of its proper divisors (9613279681).
18248522882 is an frugal number, since it uses more digits than its factorization.
18248522882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3358 (or 1680 counting only the distinct ones).
The product of its digits is 1310720, while the sum is 50.
Multiplying 18248522882 by its sum of digits (50), we get a square (912426144100 = 9552102).
The spelling of 18248522882 in words is "eighteen billion, two hundred forty-eight million, five hundred twenty-two thousand, eight hundred eighty-two".
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