Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010010111110001111 |
3 | 2220000212112200100102 |
4 | 130021323102332033 |
5 | 443403203411343 |
6 | 21515453521315 |
7 | 2120105616452 |
oct | 341173227617 |
9 | 86025480312 |
10 | 30231310223 |
11 | 11903871904 |
12 | 5a384a323b |
13 | 2b0a29285a |
14 | 166b05b499 |
15 | bbe0ba3b8 |
hex | 709ed2f8f |
30231310223 has 4 divisors (see below), whose sum is σ = 30285007608. Its totient is φ = 30177612840.
The previous prime is 30231310211. The next prime is 30231310253. The reversal of 30231310223 is 32201313203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30231310223 - 214 = 30231293839 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30231310195 and 30231310204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231310253) 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, 26847848 + ... + 26848973.
It is an arithmetic number, because the mean of its divisors is an integer number (7571251902).
Almost surely, 230231310223 is an apocalyptic number.
30231310223 is a deficient number, since it is larger than the sum of its proper divisors (53697385).
30231310223 is an equidigital number, since it uses as much as digits as its factorization.
30231310223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53697384.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30231310223 its reverse (32201313203), we get a palindrome (62432623426).
The spelling of 30231310223 in words is "thirty billion, two hundred thirty-one million, three hundred ten thousand, two hundred twenty-three".
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