Base | Representation |
---|---|
bin | 11100001001110111… |
… | …001011100100100101 |
3 | 2220000210111212101112 |
4 | 130021313023210211 |
5 | 443402414400313 |
6 | 21515414434405 |
7 | 2120063504141 |
oct | 341167134445 |
9 | 86023455345 |
10 | 30230231333 |
11 | 119031a5265 |
12 | 5a38062a05 |
13 | 2b09ca5763 |
14 | 166ac5a221 |
15 | bbde558a8 |
hex | 709dcb925 |
30230231333 has 6 divisors (see below), whose sum is σ = 31905036774. Its totient is φ = 28639166184.
The previous prime is 30230231327. The next prime is 30230231399. The reversal of 30230231333 is 33313203203.
It can be written as a sum of positive squares in only one way, i.e., 15360379969 + 14869851364 = 123937^2 + 121942^2 .
It is a de Polignac number, because none of the positive numbers 2k-30230231333 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30230231299 and 30230231308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230231303) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41869766 + ... + 41870487.
It is an arithmetic number, because the mean of its divisors is an integer number (5317506129).
Almost surely, 230230231333 is an apocalyptic number.
It is an amenable number.
30230231333 is a deficient number, since it is larger than the sum of its proper divisors (1674805441).
30230231333 is an equidigital number, since it uses as much as digits as its factorization.
30230231333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83740291 (or 83740272 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 23.
Adding to 30230231333 its reverse (33313203203), we get a palindrome (63543434536).
The spelling of 30230231333 in words is "thirty billion, two hundred thirty million, two hundred thirty-one thousand, three hundred thirty-three".
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