Base | Representation |
---|---|
bin | 10000110111001010… |
… | …111011110000111111 |
3 | 1201201210122210112122 |
4 | 100313022323300333 |
5 | 244040000413203 |
6 | 12152331153155 |
7 | 1210446026456 |
oct | 206712736077 |
9 | 51653583478 |
10 | 18105482303 |
11 | 7751088917 |
12 | 36135a57bb |
13 | 192704354c |
14 | c3a847b9d |
15 | 70e792538 |
hex | 4372bbc3f |
18105482303 has 16 divisors (see below), whose sum is σ = 18671046912. Its totient is φ = 17550624000.
The previous prime is 18105482249. The next prime is 18105482323. The reversal of 18105482303 is 30328450181.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 18105482303 - 224 = 18088705087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18105482323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236143 + ... + 1250703.
It is an arithmetic number, because the mean of its divisors is an integer number (1166940432).
Almost surely, 218105482303 is an apocalyptic number.
18105482303 is a deficient number, since it is larger than the sum of its proper divisors (565564609).
18105482303 is a wasteful number, since it uses less digits than its factorization.
18105482303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14926.
The product of its (nonzero) digits is 23040, while the sum is 35.
The spelling of 18105482303 in words is "eighteen billion, one hundred five million, four hundred eighty-two thousand, three hundred three".
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