Base | Representation |
---|---|
bin | 11100001111010010… |
… | …100101101011001111 |
3 | 2220021010212202011110 |
4 | 130033102211223033 |
5 | 444044223132343 |
6 | 21532430423103 |
7 | 2122250550012 |
oct | 341722455317 |
9 | 86233782143 |
10 | 30321302223 |
11 | 1194a648163 |
12 | 5a62661a93 |
13 | 2b22b10c64 |
14 | 1678da5379 |
15 | bc6e44833 |
hex | 70f4a5acf |
30321302223 has 4 divisors (see below), whose sum is σ = 40428402968. Its totient is φ = 20214201480.
The previous prime is 30321302203. The next prime is 30321302233. The reversal of 30321302223 is 32220312303.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30321302223 - 25 = 30321302191 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30321302223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30321302203) 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, 5053550368 + ... + 5053550373.
It is an arithmetic number, because the mean of its divisors is an integer number (10107100742).
Almost surely, 230321302223 is an apocalyptic number.
30321302223 is a deficient number, since it is larger than the sum of its proper divisors (10107100745).
30321302223 is a wasteful number, since it uses less digits than its factorization.
30321302223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10107100744.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30321302223 its reverse (32220312303), we get a palindrome (62541614526).
The spelling of 30321302223 in words is "thirty billion, three hundred twenty-one million, three hundred two thousand, two hundred twenty-three".
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