Base | Representation |
---|---|
bin | 110011101100111100… |
… | …1110110000111010011 |
3 | 101121120212112111200011 |
4 | 1213121321312013103 |
5 | 3304342140032011 |
6 | 123001222135351 |
7 | 11010266306056 |
oct | 1473171660723 |
9 | 347525474604 |
10 | 111030002131 |
11 | 430a65a5a44 |
12 | 19627881557 |
13 | a615a10019 |
14 | 5533d00a9d |
15 | 2d4c753621 |
hex | 19d9e761d3 |
111030002131 has 4 divisors (see below), whose sum is σ = 115857393552. Its totient is φ = 106202610712.
The previous prime is 111030002117. The next prime is 111030002141. The reversal of 111030002131 is 131200030111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131200030111 = 345019 ⋅380269.
It is a cyclic number.
It is not a de Polignac number, because 111030002131 - 211 = 111030000083 is a prime.
It is a super-2 number, since 2×1110300021312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (111030002141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413695676 + ... + 2413695721.
It is an arithmetic number, because the mean of its divisors is an integer number (28964348388).
Almost surely, 2111030002131 is an apocalyptic number.
111030002131 is a deficient number, since it is larger than the sum of its proper divisors (4827391421).
111030002131 is an equidigital number, since it uses as much as digits as its factorization.
111030002131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4827391420.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 111030002131 its reverse (131200030111), we get a palindrome (242230032242).
The spelling of 111030002131 in words is "one hundred eleven billion, thirty million, two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •