Base | Representation |
---|---|
bin | 11100001001110110… |
… | …010101110110111001 |
3 | 2220000210002200120221 |
4 | 130021312111312321 |
5 | 443402340330241 |
6 | 21515410020041 |
7 | 2120061566536 |
oct | 341166256671 |
9 | 86023080527 |
10 | 30230011321 |
11 | 11903064a34 |
12 | 5a37b77621 |
13 | 2b09c29583 |
14 | 166abddd8d |
15 | bbde105d1 |
hex | 709d95db9 |
30230011321 has 4 divisors (see below), whose sum is σ = 31047038692. Its totient is φ = 29412983952.
The previous prime is 30230011289. The next prime is 30230011327. The reversal of 30230011321 is 12311003203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11573456400 + 18656554921 = 107580^2 + 136589^2 .
It is a cyclic number.
It is not a de Polignac number, because 30230011321 - 25 = 30230011289 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30230011295 and 30230011304.
It is not an unprimeable number, because it can be changed into a prime (30230011327) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408513630 + ... + 408513703.
It is an arithmetic number, because the mean of its divisors is an integer number (7761759673).
Almost surely, 230230011321 is an apocalyptic number.
It is an amenable number.
30230011321 is a deficient number, since it is larger than the sum of its proper divisors (817027371).
30230011321 is an equidigital number, since it uses as much as digits as its factorization.
30230011321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 817027370.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30230011321 its reverse (12311003203), we get a palindrome (42541014524).
The spelling of 30230011321 in words is "thirty billion, two hundred thirty million, eleven thousand, three hundred twenty-one".
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