Base | Representation |
---|---|
bin | 100110011100101… |
… | …1101010111000011 |
3 | 10022220121102212022 |
4 | 1030321131113003 |
5 | 10120233142013 |
6 | 332003552055 |
7 | 43653634346 |
oct | 11471352703 |
9 | 3286542768 |
10 | 1290130883 |
11 | 602277478 |
12 | 30008b62b |
13 | 177390b72 |
14 | c34b245d |
15 | 783e1008 |
hex | 4ce5d5c3 |
1290130883 has 2 divisors, whose sum is σ = 1290130884. Its totient is φ = 1290130882.
The previous prime is 1290130879. The next prime is 1290130903. The reversal of 1290130883 is 3880310921.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1290130883 - 22 = 1290130879 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1290130783) 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, 645065441 + 645065442.
It is an arithmetic number, because the mean of its divisors is an integer number (645065442).
Almost surely, 21290130883 is an apocalyptic number.
1290130883 is a deficient number, since it is larger than the sum of its proper divisors (1).
1290130883 is an equidigital number, since it uses as much as digits as its factorization.
1290130883 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 1290130883 is about 35918.3919879496. The cubic root of 1290130883 is about 1088.6240481156.
The spelling of 1290130883 in words is "one billion, two hundred ninety million, one hundred thirty thousand, eight hundred eighty-three".
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