Base | Representation |
---|---|
bin | 10001100001100111010… |
… | …000100000000100110001 |
3 | 11021010120100121112101201 |
4 | 101201213100200010301 |
5 | 124212423221044214 |
6 | 2321131454131201 |
7 | 153003152324161 |
oct | 21414720400461 |
9 | 4233510545351 |
10 | 1204323221809 |
11 | 424829075684 |
12 | 1754a54b0b01 |
13 | 8974b177c16 |
14 | 4240a7785a1 |
15 | 214d950a274 |
hex | 11867420131 |
1204323221809 has 2 divisors, whose sum is σ = 1204323221810. Its totient is φ = 1204323221808.
The previous prime is 1204323221789. The next prime is 1204323221819. The reversal of 1204323221809 is 9081223234021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 667725951025 + 536597270784 = 817145^2 + 732528^2 .
It is a cyclic number.
It is not a de Polignac number, because 1204323221809 - 237 = 1066884268337 is a prime.
It is not a weakly prime, because it can be changed into another prime (1204323221819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602161610904 + 602161610905.
It is an arithmetic number, because the mean of its divisors is an integer number (602161610905).
Almost surely, 21204323221809 is an apocalyptic number.
It is an amenable number.
1204323221809 is a deficient number, since it is larger than the sum of its proper divisors (1).
1204323221809 is an equidigital number, since it uses as much as digits as its factorization.
1204323221809 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 1204323221809 in words is "one trillion, two hundred four billion, three hundred twenty-three million, two hundred twenty-one thousand, eight hundred nine".
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