Base | Representation |
---|---|
bin | 11100100010101011… |
… | …110000010001011101 |
3 | 2221002211002221211001 |
4 | 130202223300101131 |
5 | 1000231021310313 |
6 | 22025012230301 |
7 | 2133311236303 |
oct | 344253602135 |
9 | 87084087731 |
10 | 30646666333 |
11 | 11aa7276018 |
12 | 5b3360b391 |
13 | 2b7534c8ba |
14 | 16aa29c273 |
15 | be57b3add |
hex | 722af045d |
30646666333 has 2 divisors, whose sum is σ = 30646666334. Its totient is φ = 30646666332.
The previous prime is 30646666327. The next prime is 30646666339. The reversal of 30646666333 is 33366664603.
It is a balanced prime because it is at equal distance from previous prime (30646666327) and next prime (30646666339).
It can be written as a sum of positive squares in only one way, i.e., 26452420164 + 4194246169 = 162642^2 + 64763^2 .
It is an emirp because it is prime and its reverse (33366664603) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30646666333 - 217 = 30646535261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30646666339) 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, 15323333166 + 15323333167.
It is an arithmetic number, because the mean of its divisors is an integer number (15323333167).
Almost surely, 230646666333 is an apocalyptic number.
It is an amenable number.
30646666333 is a deficient number, since it is larger than the sum of its proper divisors (1).
30646666333 is an equidigital number, since it uses as much as digits as its factorization.
30646666333 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2519424, while the sum is 46.
The spelling of 30646666333 in words is "thirty billion, six hundred forty-six million, six hundred sixty-six thousand, three hundred thirty-three".
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