Base | Representation |
---|---|
bin | 1101011100100101100… |
… | …0111011011111100011 |
3 | 211002021121212122101211 |
4 | 3113021120323133203 |
5 | 12241103034202433 |
6 | 254043033210551 |
7 | 22455456535012 |
oct | 3271130733743 |
9 | 732247778354 |
10 | 231012022243 |
11 | 89a7629a552 |
12 | 38931560a57 |
13 | 18a272705b2 |
14 | b276ac6a79 |
15 | 6020d568cd |
hex | 35c963b7e3 |
231012022243 has 8 divisors (see below), whose sum is σ = 231381660368. Its totient is φ = 230642463744.
The previous prime is 231012022169. The next prime is 231012022249. The reversal of 231012022243 is 342220210132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231012022243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231012022249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8915755 + ... + 8941627.
It is an arithmetic number, because the mean of its divisors is an integer number (28922707546).
Almost surely, 2231012022243 is an apocalyptic number.
231012022243 is a deficient number, since it is larger than the sum of its proper divisors (369638125).
231012022243 is a wasteful number, since it uses less digits than its factorization.
231012022243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39813.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 231012022243 its reverse (342220210132), we get a palindrome (573232232375).
The spelling of 231012022243 in words is "two hundred thirty-one billion, twelve million, twenty-two thousand, two hundred forty-three".
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