Base | Representation |
---|---|
bin | 11100010101001100… |
… | …110010000010110001 |
3 | 2220112001102122011200 |
4 | 130111030302002301 |
5 | 444300113141223 |
6 | 21550331401413 |
7 | 2124563334051 |
oct | 342514620261 |
9 | 86461378150 |
10 | 30420443313 |
11 | 119a0602347 |
12 | 5a8b8b3269 |
13 | 2b3a513820 |
14 | 1688211561 |
15 | bd09c9a43 |
hex | 7153320b1 |
30420443313 has 24 divisors (see below), whose sum is σ = 48847169280. Its totient is φ = 18116390880.
The previous prime is 30420443311. The next prime is 30420443323. The reversal of 30420443313 is 31334402403.
30420443313 is a `hidden beast` number, since 304 + 2 + 0 + 4 + 43 + 313 = 666.
It is not a de Polignac number, because 30420443313 - 21 = 30420443311 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30420443311) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4189983 + ... + 4197236.
It is an arithmetic number, because the mean of its divisors is an integer number (2035298720).
Almost surely, 230420443313 is an apocalyptic number.
It is an amenable number.
30420443313 is a deficient number, since it is larger than the sum of its proper divisors (18426725967).
30420443313 is a wasteful number, since it uses less digits than its factorization.
30420443313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8387269 (or 8387266 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30420443313 its reverse (31334402403), we get a palindrome (61754845716).
The spelling of 30420443313 in words is "thirty billion, four hundred twenty million, four hundred forty-three thousand, three hundred thirteen".
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