Base | Representation |
---|---|
bin | 11100001001111010… |
… | …111010100101010011 |
3 | 2220000212100121022102 |
4 | 130021322322211103 |
5 | 443403142212243 |
6 | 21515451431015 |
7 | 2120105022266 |
oct | 341172724523 |
9 | 86025317272 |
10 | 30231210323 |
11 | 11903803846 |
12 | 5a3845546b |
13 | 2b0a259242 |
14 | 166b032cdd |
15 | bbe09a9b8 |
hex | 709eba953 |
30231210323 has 4 divisors (see below), whose sum is σ = 31206410688. Its totient is φ = 29256009960.
The previous prime is 30231210299. The next prime is 30231210367. The reversal of 30231210323 is 32301213203.
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 30231210323 - 220 = 30230161747 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30231210295 and 30231210304.
It is not an unprimeable number, because it can be changed into a prime (30231210623) 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 3 ways as a sum of consecutive naturals, for example, 487600136 + ... + 487600197.
It is an arithmetic number, because the mean of its divisors is an integer number (7801602672).
Almost surely, 230231210323 is an apocalyptic number.
30231210323 is a deficient number, since it is larger than the sum of its proper divisors (975200365).
30231210323 is an equidigital number, since it uses as much as digits as its factorization.
30231210323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 975200364.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30231210323 its reverse (32301213203), we get a palindrome (62532423526).
The spelling of 30231210323 in words is "thirty billion, two hundred thirty-one million, two hundred ten thousand, three hundred twenty-three".
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