Base | Representation |
---|---|
bin | 11100001000010000… |
… | …000111001000011001 |
3 | 2212221220200011021002 |
4 | 130020100013020121 |
5 | 443324010243223 |
6 | 21513011354345 |
7 | 2116315032401 |
oct | 341020071031 |
9 | 85856604232 |
10 | 30203212313 |
11 | 11899a2049a |
12 | 5a2abb29b5 |
13 | 2b04505581 |
14 | 1667425801 |
15 | bbb8b9e28 |
hex | 708407219 |
30203212313 has 8 divisors (see below), whose sum is σ = 30500590848. Its totient is φ = 29905913664.
The previous prime is 30203212309. The next prime is 30203212321. The reversal of 30203212313 is 31321230203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30203212313 - 22 = 30203212309 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30203212213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988481 + ... + 1018577.
It is an arithmetic number, because the mean of its divisors is an integer number (3812573856).
Almost surely, 230203212313 is an apocalyptic number.
It is an amenable number.
30203212313 is a deficient number, since it is larger than the sum of its proper divisors (297378535).
30203212313 is a wasteful number, since it uses less digits than its factorization.
30203212313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39943.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30203212313 its reverse (31321230203), we get a palindrome (61524442516).
The spelling of 30203212313 in words is "thirty billion, two hundred three million, two hundred twelve thousand, three hundred thirteen".
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