Base | Representation |
---|---|
bin | 11100001010100100… |
… | …001001111101111011 |
3 | 2220001121200212002212 |
4 | 130022210021331323 |
5 | 443413424134433 |
6 | 21520515245335 |
7 | 2120265640100 |
oct | 341244117573 |
9 | 86047625085 |
10 | 30242021243 |
11 | 11909918195 |
12 | 5a3bba984b |
13 | 2b0c572c35 |
14 | 166c648aa7 |
15 | bbeed3d48 |
hex | 70a909f7b |
30242021243 has 12 divisors (see below), whose sum is σ = 35215779672. Its totient is φ = 25894995840.
The previous prime is 30242021239. The next prime is 30242021269. The reversal of 30242021243 is 34212024203.
It is not a de Polignac number, because 30242021243 - 22 = 30242021239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30242021233) 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 11 ways as a sum of consecutive naturals, for example, 270230 + ... + 365387.
It is an arithmetic number, because the mean of its divisors is an integer number (2934648306).
Almost surely, 230242021243 is an apocalyptic number.
30242021243 is a deficient number, since it is larger than the sum of its proper divisors (4973758429).
30242021243 is an equidigital number, since it uses as much as digits as its factorization.
30242021243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636602 (or 636595 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30242021243 its reverse (34212024203), we get a palindrome (64454045446).
The spelling of 30242021243 in words is "thirty billion, two hundred forty-two million, twenty-one thousand, two hundred forty-three".
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