Base | Representation |
---|---|
bin | 10110111000100011… |
… | …10001100111101001 |
3 | 1011201012111012221012 |
4 | 23130101301213221 |
5 | 200130102104201 |
6 | 5351030353305 |
7 | 613306502513 |
oct | 133421614751 |
9 | 34635435835 |
10 | 12285581801 |
11 | 5234988499 |
12 | 246a4bb835 |
13 | 120a384a3c |
14 | 84791abb3 |
15 | 4bd8825bb |
hex | 2dc4719e9 |
12285581801 has 2 divisors, whose sum is σ = 12285581802. Its totient is φ = 12285581800.
The previous prime is 12285581753. The next prime is 12285581807. The reversal of 12285581801 is 10818558221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10837018201 + 1448563600 = 104101^2 + 38060^2 .
It is an emirp because it is prime and its reverse (10818558221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12285581801 - 210 = 12285580777 is a prime.
It is not a weakly prime, because it can be changed into another prime (12285581807) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142790900 + 6142790901.
It is an arithmetic number, because the mean of its divisors is an integer number (6142790901).
Almost surely, 212285581801 is an apocalyptic number.
It is an amenable number.
12285581801 is a deficient number, since it is larger than the sum of its proper divisors (1).
12285581801 is an equidigital number, since it uses as much as digits as its factorization.
12285581801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51200, while the sum is 41.
The spelling of 12285581801 in words is "twelve billion, two hundred eighty-five million, five hundred eighty-one thousand, eight hundred one".
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