Base | Representation |
---|---|
bin | 1101011101110100001… |
… | …1110100010101010101 |
3 | 211010010121211212222022 |
4 | 3113131003310111111 |
5 | 12242242030012323 |
6 | 254135502342525 |
7 | 22466604554135 |
oct | 3273503642525 |
9 | 733117755868 |
10 | 231342032213 |
11 | 8a125600966 |
12 | 38a03b8aa45 |
13 | 18a7a747a76 |
14 | b2a886cac5 |
15 | 603ece24c8 |
hex | 35dd0f4555 |
231342032213 has 16 divisors (see below), whose sum is σ = 233897160000. Its totient is φ = 228801438720.
The previous prime is 231342032203. The next prime is 231342032269. The reversal of 231342032213 is 312230243132.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 231342032213 - 214 = 231342015829 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 (231342032203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42515573 + ... + 42521013.
It is an arithmetic number, because the mean of its divisors is an integer number (14618572500).
Almost surely, 2231342032213 is an apocalyptic number.
It is an amenable number.
231342032213 is a deficient number, since it is larger than the sum of its proper divisors (2555127787).
231342032213 is a wasteful number, since it uses less digits than its factorization.
231342032213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6692.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 231342032213 its reverse (312230243132), we get a palindrome (543572275345).
The spelling of 231342032213 in words is "two hundred thirty-one billion, three hundred forty-two million, thirty-two thousand, two hundred thirteen".
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