Base | Representation |
---|---|
bin | 11000100111111101… |
… | …10010110100111111 |
3 | 1021010100000012012120 |
4 | 30103332302310333 |
5 | 204033323130421 |
6 | 10023453134023 |
7 | 645415152246 |
oct | 142376626477 |
9 | 37110005176 |
10 | 13220130111 |
11 | 5674467471 |
12 | 268b48a313 |
13 | 1328b866c6 |
14 | 8d5aab95d |
15 | 5259358c6 |
hex | 313fb2d3f |
13220130111 has 8 divisors (see below), whose sum is σ = 17628764160. Its totient is φ = 8812458072.
The previous prime is 13220130083. The next prime is 13220130163. The reversal of 13220130111 is 11103102231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13220130111 - 26 = 13220130047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220130311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207801 + ... + 263858.
It is an arithmetic number, because the mean of its divisors is an integer number (2203595520).
Almost surely, 213220130111 is an apocalyptic number.
13220130111 is a deficient number, since it is larger than the sum of its proper divisors (4408634049).
13220130111 is an equidigital number, since it uses as much as digits as its factorization.
13220130111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481005.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 13220130111 its reverse (11103102231), we get a palindrome (24323232342).
The spelling of 13220130111 in words is "thirteen billion, two hundred twenty million, one hundred thirty thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •