Base | Representation |
---|---|
bin | 1101011101010011001… |
… | …0001110000100110101 |
3 | 211002202221121112210212 |
4 | 3113110302032010311 |
5 | 12242001004420313 |
6 | 254114022555205 |
7 | 22463300533316 |
oct | 3272462160465 |
9 | 732687545725 |
10 | 231203201333 |
11 | 8a0641a81a5 |
12 | 38985598b05 |
13 | 18a57a59910 |
14 | b29425060d |
15 | 6032a1c3a8 |
hex | 35d4c8e135 |
231203201333 has 8 divisors (see below), whose sum is σ = 249002367768. Its totient is φ = 213406078464.
The previous prime is 231203201329. The next prime is 231203201399. The reversal of 231203201333 is 333102302132.
231203201333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1472794129 + 229730407204 = 38377^2 + 479302^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231203201333 - 22 = 231203201329 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231203201299 and 231203201308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231203201533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271760 + ... + 732297.
It is an arithmetic number, because the mean of its divisors is an integer number (31125295971).
Almost surely, 2231203201333 is an apocalyptic number.
It is an amenable number.
231203201333 is a deficient number, since it is larger than the sum of its proper divisors (17799166435).
231203201333 is a wasteful number, since it uses less digits than its factorization.
231203201333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021783.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 231203201333 its reverse (333102302132), we get a palindrome (564305503465).
The spelling of 231203201333 in words is "two hundred thirty-one billion, two hundred three million, two hundred one thousand, three hundred thirty-three".
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