Base | Representation |
---|---|
bin | 10001000111101010… |
… | …000010010101000011 |
3 | 1202110002002222001102 |
4 | 101013222002111003 |
5 | 300121302233412 |
6 | 12240011325015 |
7 | 1220345012021 |
oct | 210752022503 |
9 | 52402088042 |
10 | 18382071107 |
11 | 7883222104 |
12 | 369015076b |
13 | 196c43536a |
14 | c65485711 |
15 | 728bc98c2 |
hex | 447a82543 |
18382071107 has 2 divisors, whose sum is σ = 18382071108. Its totient is φ = 18382071106.
The previous prime is 18382071101. The next prime is 18382071131. The reversal of 18382071107 is 70117028381.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18382071107 - 216 = 18382005571 is a prime.
It is not a weakly prime, because it can be changed into another prime (18382071101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191035553 + 9191035554.
It is an arithmetic number, because the mean of its divisors is an integer number (9191035554).
Almost surely, 218382071107 is an apocalyptic number.
18382071107 is a deficient number, since it is larger than the sum of its proper divisors (1).
18382071107 is an equidigital number, since it uses as much as digits as its factorization.
18382071107 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18816, while the sum is 38.
Adding to 18382071107 its reverse (70117028381), we get a palindrome (88499099488).
The spelling of 18382071107 in words is "eighteen billion, three hundred eighty-two million, seventy-one thousand, one hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •