Base | Representation |
---|---|
bin | 11000110011111111… |
… | …01100101010111011 |
3 | 1021101100212110021202 |
4 | 30121333230222323 |
5 | 204240140432311 |
6 | 10041455524415 |
7 | 651051614060 |
oct | 143177545273 |
9 | 37340773252 |
10 | 13321030331 |
11 | 5716413284 |
12 | 26b922970b |
13 | 1343a53b8b |
14 | 905254c67 |
15 | 52e716e3b |
hex | 319fecabb |
13321030331 has 16 divisors (see below), whose sum is σ = 15325977600. Its totient is φ = 11341800960.
The previous prime is 13321030301. The next prime is 13321030351. The reversal of 13321030331 is 13303012331.
It is not a de Polignac number, because 13321030331 - 218 = 13320768187 is a prime.
It is a super-2 number, since 2×133210303312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13321030301) 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, 704126 + ... + 722796.
It is an arithmetic number, because the mean of its divisors is an integer number (957873600).
Almost surely, 213321030331 is an apocalyptic number.
13321030331 is a deficient number, since it is larger than the sum of its proper divisors (2004947269).
13321030331 is a wasteful number, since it uses less digits than its factorization.
13321030331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19354.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 13321030331 its reverse (13303012331), we get a palindrome (26624042662).
The spelling of 13321030331 in words is "thirteen billion, three hundred twenty-one million, thirty thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •