Base | Representation |
---|---|
bin | 111111001101101… |
… | …1010001001100101 |
3 | 12110211020202200200 |
4 | 1332123122021211 |
5 | 13321001123323 |
6 | 550250501113 |
7 | 103364113311 |
oct | 17633321145 |
9 | 5424222620 |
10 | 2121114213 |
11 | 99934a559 |
12 | 4b2434799 |
13 | 27a5a148a |
14 | 1619c4b41 |
15 | c6338443 |
hex | 7e6da265 |
2121114213 has 24 divisors (see below), whose sum is σ = 3178331520. Its totient is φ = 1362104640.
The previous prime is 2121114161. The next prime is 2121114221. The reversal of 2121114213 is 3124111212.
It is not a de Polignac number, because 2121114213 - 28 = 2121113957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121114253) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7231 + ... + 65532.
It is an arithmetic number, because the mean of its divisors is an integer number (132430480).
Almost surely, 22121114213 is an apocalyptic number.
It is an amenable number.
2121114213 is a deficient number, since it is larger than the sum of its proper divisors (1057217307).
2121114213 is a wasteful number, since it uses less digits than its factorization.
2121114213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72889 (or 72886 counting only the distinct ones).
The product of its digits is 96, while the sum is 18.
The square root of 2121114213 is about 46055.5557234955. Note that the first 3 decimals coincide. The cubic root of 2121114213 is about 1284.8566738456.
Adding to 2121114213 its reverse (3124111212), we get a palindrome (5245225425).
The spelling of 2121114213 in words is "two billion, one hundred twenty-one million, one hundred fourteen thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •