Base | Representation |
---|---|
bin | 11000011010111101… |
… | …00111000101011111 |
3 | 1020211201201100010211 |
4 | 30031132213011133 |
5 | 203322410430421 |
6 | 10004554513251 |
7 | 642621626404 |
oct | 141536470537 |
9 | 36751640124 |
10 | 13111030111 |
11 | 561891aa83 |
12 | 265aa35827 |
13 | 130c3a7baa |
14 | 8c53cc2ab |
15 | 51b0849e1 |
hex | 30d7a715f |
13111030111 has 8 divisors (see below), whose sum is σ = 13476108800. Its totient is φ = 12748686552.
The previous prime is 13111030109. The next prime is 13111030157. The reversal of 13111030111 is 11103011131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13111030111 - 21 = 13111030109 is a prime.
It is a super-2 number, since 2×131110301112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13111030091 and 13111030100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13111039111) 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, 674061 + ... + 693238.
It is an arithmetic number, because the mean of its divisors is an integer number (1684513600).
Almost surely, 213111030111 is an apocalyptic number.
13111030111 is a deficient number, since it is larger than the sum of its proper divisors (365078689).
13111030111 is a wasteful number, since it uses less digits than its factorization.
13111030111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1367565.
The product of its (nonzero) digits is 9, while the sum is 13.
Adding to 13111030111 its reverse (11103011131), we get a palindrome (24214041242).
The spelling of 13111030111 in words is "thirteen billion, one hundred eleven million, thirty thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •