Base | Representation |
---|---|
bin | 1101101100011000000001… |
… | …10111010110011100101001 |
3 | 10221121200102011022201001002 |
4 | 12312030000313112130221 |
5 | 12421323414214101441 |
6 | 144013135315404345 |
7 | 6225344115513461 |
oct | 666140067263451 |
9 | 127550364281032 |
10 | 30112030222121 |
11 | 965a493050091 |
12 | 3463ab5bb36b5 |
13 | 13a5724435603 |
14 | 761604054ba1 |
15 | 37343a253b9b |
hex | 1b6300dd6729 |
30112030222121 has 2 divisors, whose sum is σ = 30112030222122. Its totient is φ = 30112030222120.
The previous prime is 30112030222093. The next prime is 30112030222171. The reversal of 30112030222121 is 12122203021103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28350981790096 + 1761048432025 = 5324564^2 + 1327045^2 .
It is a cyclic number.
It is not a de Polignac number, because 30112030222121 - 226 = 30111963113257 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30112030222093 and 30112030222102.
It is not a weakly prime, because it can be changed into another prime (30112030222171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056015111060 + 15056015111061.
It is an arithmetic number, because the mean of its divisors is an integer number (15056015111061).
Almost surely, 230112030222121 is an apocalyptic number.
It is an amenable number.
30112030222121 is a deficient number, since it is larger than the sum of its proper divisors (1).
30112030222121 is an equidigital number, since it uses as much as digits as its factorization.
30112030222121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 30112030222121 its reverse (12122203021103), we get a palindrome (42234233243224).
The spelling of 30112030222121 in words is "thirty trillion, one hundred twelve billion, thirty million, two hundred twenty-two thousand, one hundred twenty-one".
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