Base | Representation |
---|---|
bin | 1101011101101010111… |
… | …1110001001110111001 |
3 | 211010000220211010122110 |
4 | 3113122233301032321 |
5 | 12242202111102301 |
6 | 254131554442533 |
7 | 22465623643332 |
oct | 3273257611671 |
9 | 733026733573 |
10 | 231303222201 |
11 | 8a105703377 |
12 | 389b2b93449 |
13 | 18a726a9a6c |
14 | b2a3649289 |
15 | 603b6c80d6 |
hex | 35dabf13b9 |
231303222201 has 16 divisors (see below), whose sum is σ = 312763248000. Its totient is φ = 152032603008.
The previous prime is 231303222151. The next prime is 231303222203. The reversal of 231303222201 is 102222303132.
It is a happy number.
It is not a de Polignac number, because 231303222201 - 229 = 230766351289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231303222203) 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, 1147941 + ... + 1334306.
It is an arithmetic number, because the mean of its divisors is an integer number (19547703000).
Almost surely, 2231303222201 is an apocalyptic number.
It is an amenable number.
231303222201 is a deficient number, since it is larger than the sum of its proper divisors (81460025799).
231303222201 is a wasteful number, since it uses less digits than its factorization.
231303222201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482688.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 231303222201 its reverse (102222303132), we get a palindrome (333525525333).
The spelling of 231303222201 in words is "two hundred thirty-one billion, three hundred three million, two hundred twenty-two thousand, two hundred one".
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