Base | Representation |
---|---|
bin | 10000111011110001… |
… | …111010110101000000 |
3 | 1201221012011111111101 |
4 | 100323301322311000 |
5 | 244214244422234 |
6 | 12204132424144 |
7 | 1212405225424 |
oct | 207361726500 |
9 | 51835144441 |
10 | 18182810944 |
11 | 77907a4a91 |
12 | 3635478054 |
13 | 193a079a3c |
14 | c46c16b84 |
15 | 716469814 |
hex | 43bc7ad40 |
18182810944 has 14 divisors (see below), whose sum is σ = 36081515594. Its totient is φ = 9091405440.
The previous prime is 18182810941. The next prime is 18182810953. The reversal of 18182810944 is 44901828181.
It can be written as a sum of positive squares in only one way, i.e., 13326393600 + 4856417344 = 115440^2 + 69688^2 .
It is a super-2 number, since 2×181828109442 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18182810894 and 18182810903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18182810941) by changing a digit.
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 as a sum of consecutive naturals, namely, 142053147 + ... + 142053274.
Almost surely, 218182810944 is an apocalyptic number.
It is an amenable number.
18182810944 is a deficient number, since it is larger than the sum of its proper divisors (17898704650).
18182810944 is an equidigital number, since it uses as much as digits as its factorization.
18182810944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284106433 (or 284106423 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 46.
The spelling of 18182810944 in words is "eighteen billion, one hundred eighty-two million, eight hundred ten thousand, nine hundred forty-four".
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