Base | Representation |
---|---|
bin | 11100001001011100… |
… | …011110010101110001 |
3 | 2220000022100011210210 |
4 | 130021130132111301 |
5 | 443344121332241 |
6 | 21515004414333 |
7 | 2116650135054 |
oct | 341134362561 |
9 | 86008304723 |
10 | 30223230321 |
11 | 118aa2532a9 |
12 | 5a358473a9 |
13 | 2b086c3c4b |
14 | 1669d56a9b |
15 | bbd521316 |
hex | 70971e571 |
30223230321 has 4 divisors (see below), whose sum is σ = 40297640432. Its totient is φ = 20148820212.
The previous prime is 30223230287. The next prime is 30223230329. The reversal of 30223230321 is 12303232203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 30223230321 - 215 = 30223197553 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30223230329) 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, 5037205051 + ... + 5037205056.
It is an arithmetic number, because the mean of its divisors is an integer number (10074410108).
Almost surely, 230223230321 is an apocalyptic number.
It is an amenable number.
30223230321 is a deficient number, since it is larger than the sum of its proper divisors (10074410111).
30223230321 is a wasteful number, since it uses less digits than its factorization.
30223230321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10074410110.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30223230321 its reverse (12303232203), we get a palindrome (42526462524).
The spelling of 30223230321 in words is "thirty billion, two hundred twenty-three million, two hundred thirty thousand, three hundred twenty-one".
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