Base | Representation |
---|---|
bin | 1101011110000100101… |
… | …1010011100111010101 |
3 | 211010022102211002221112 |
4 | 3113201023103213111 |
5 | 12242412220313323 |
6 | 254150411024405 |
7 | 22501403634212 |
oct | 3274113234725 |
9 | 733272732845 |
10 | 231411104213 |
11 | 8a160598763 |
12 | 38a2313b105 |
13 | 18a8bb50083 |
14 | b2b3accb09 |
15 | 6045dd8178 |
hex | 35e12d39d5 |
231411104213 has 4 divisors (see below), whose sum is σ = 231412984908. Its totient is φ = 231409223520.
The previous prime is 231411104209. The next prime is 231411104227. The reversal of 231411104213 is 312401114132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 120713163844 + 110697940369 = 347438^2 + 332713^2 .
It is a cyclic number.
It is not a de Polignac number, because 231411104213 - 22 = 231411104209 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231411100213) 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, 741806 + ... + 1006527.
It is an arithmetic number, because the mean of its divisors is an integer number (57853246227).
Almost surely, 2231411104213 is an apocalyptic number.
It is an amenable number.
231411104213 is a deficient number, since it is larger than the sum of its proper divisors (1880695).
231411104213 is a wasteful number, since it uses less digits than its factorization.
231411104213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1880694.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 231411104213 its reverse (312401114132), we get a palindrome (543812218345).
The spelling of 231411104213 in words is "two hundred thirty-one billion, four hundred eleven million, one hundred four thousand, two hundred thirteen".
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