Base | Representation |
---|---|
bin | 10010101010010000011… |
… | …100001001001010101001 |
3 | 11112120220022222210120202 |
4 | 102222100130021022221 |
5 | 132002144312112024 |
6 | 2421031420001545 |
7 | 161434113224333 |
oct | 22522034111251 |
9 | 4476808883522 |
10 | 1282323550889 |
11 | 45491523a367 |
12 | 1886336902b5 |
13 | 93bcbc1c3b4 |
14 | 460c9b02453 |
15 | 2355217dbae |
hex | 12a907092a9 |
1282323550889 has 2 divisors, whose sum is σ = 1282323550890. Its totient is φ = 1282323550888.
The previous prime is 1282323550841. The next prime is 1282323550901. The reversal of 1282323550889 is 9880553232821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1138079308864 + 144244242025 = 1066808^2 + 379795^2 .
It is a cyclic number.
It is not a de Polignac number, because 1282323550889 - 216 = 1282323485353 is a prime.
It is not a weakly prime, because it can be changed into another prime (1282323550829) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641161775444 + 641161775445.
It is an arithmetic number, because the mean of its divisors is an integer number (641161775445).
Almost surely, 21282323550889 is an apocalyptic number.
It is an amenable number.
1282323550889 is a deficient number, since it is larger than the sum of its proper divisors (1).
1282323550889 is an equidigital number, since it uses as much as digits as its factorization.
1282323550889 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8294400, while the sum is 56.
The spelling of 1282323550889 in words is "one trillion, two hundred eighty-two billion, three hundred twenty-three million, five hundred fifty thousand, eight hundred eighty-nine".
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