Base | Representation |
---|---|
bin | 10001111111011011… |
… | …100110011101001001 |
3 | 1211212021212110220010 |
4 | 101333123212131021 |
5 | 304030324423032 |
6 | 12512515422133 |
7 | 1252466453511 |
oct | 217733463511 |
9 | 54767773803 |
10 | 19317811017 |
11 | 821344537a |
12 | 38b15b4949 |
13 | 1a8b26350b |
14 | d13866841 |
15 | 780e15ccc |
hex | 47f6e6749 |
19317811017 has 16 divisors (see below), whose sum is σ = 26368010240. Its totient is φ = 12573347472.
The previous prime is 19317811001. The next prime is 19317811057. The reversal of 19317811017 is 71011871391.
It is not a de Polignac number, because 19317811017 - 24 = 19317811001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19317811057) 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, 262284 + ... + 327762.
It is an arithmetic number, because the mean of its divisors is an integer number (1648000640).
Almost surely, 219317811017 is an apocalyptic number.
It is an amenable number.
19317811017 is a deficient number, since it is larger than the sum of its proper divisors (7050199223).
19317811017 is a wasteful number, since it uses less digits than its factorization.
19317811017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67812.
The product of its (nonzero) digits is 10584, while the sum is 39.
The spelling of 19317811017 in words is "nineteen billion, three hundred seventeen million, eight hundred eleven thousand, seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •