Base | Representation |
---|---|
bin | 11100000011011010… |
… | …010110011001100011 |
3 | 2212202020212122220211 |
4 | 130003122112121203 |
5 | 443142213311321 |
6 | 21500551114551 |
7 | 2114310601516 |
oct | 340332263143 |
9 | 85666778824 |
10 | 30122010211 |
11 | 118580a9117 |
12 | 5a07972a57 |
13 | 2ac0743ca7 |
14 | 165a728d7d |
15 | bb46ca0e1 |
hex | 703696663 |
30122010211 has 2 divisors, whose sum is σ = 30122010212. Its totient is φ = 30122010210.
The previous prime is 30122010209. The next prime is 30122010223. The reversal of 30122010211 is 11201022103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30122010211 - 21 = 30122010209 is a prime.
Together with 30122010209, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 30122010191 and 30122010200.
It is not a weakly prime, because it can be changed into another prime (30122010811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061005105 + 15061005106.
It is an arithmetic number, because the mean of its divisors is an integer number (15061005106).
Almost surely, 230122010211 is an apocalyptic number.
30122010211 is a deficient number, since it is larger than the sum of its proper divisors (1).
30122010211 is an equidigital number, since it uses as much as digits as its factorization.
30122010211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30122010211 its reverse (11201022103), we get a palindrome (41323032314).
The spelling of 30122010211 in words is "thirty billion, one hundred twenty-two million, ten thousand, two hundred eleven".
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