Base | Representation |
---|---|
bin | 10110101111100011… |
… | …11010010110001001 |
3 | 1011111221111100220101 |
4 | 23113301322112021 |
5 | 200001242320243 |
6 | 5335333125401 |
7 | 611402210464 |
oct | 132761722611 |
9 | 34457440811 |
10 | 12210120073 |
11 | 51a6326a28 |
12 | 2449189861 |
13 | 11c7853228 |
14 | 83b8b62db |
15 | 4b6e2854d |
hex | 2d7c7a589 |
12210120073 has 2 divisors, whose sum is σ = 12210120074. Its totient is φ = 12210120072.
The previous prime is 12210120037. The next prime is 12210120077. The reversal of 12210120073 is 37002101221.
Together with previous prime (12210120037) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7336265104 + 4873854969 = 85652^2 + 69813^2 .
It is an emirp because it is prime and its reverse (37002101221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12210120073 - 225 = 12176565641 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12210120073.
It is not a weakly prime, because it can be changed into another prime (12210120077) 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 as a sum of consecutive naturals, namely, 6105060036 + 6105060037.
It is an arithmetic number, because the mean of its divisors is an integer number (6105060037).
Almost surely, 212210120073 is an apocalyptic number.
It is an amenable number.
12210120073 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210120073 is an equidigital number, since it uses as much as digits as its factorization.
12210120073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 19.
Adding to 12210120073 its reverse (37002101221), we get a palindrome (49212221294).
The spelling of 12210120073 in words is "twelve billion, two hundred ten million, one hundred twenty thousand, seventy-three".
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