Base | Representation |
---|---|
bin | 100110001101001… |
… | …1111100011100101 |
3 | 10022100100000210021 |
4 | 1030122133203211 |
5 | 10111143412123 |
6 | 331113555141 |
7 | 43524635302 |
oct | 11432374345 |
9 | 3270300707 |
10 | 1282013413 |
11 | 5a873271a |
12 | 2b9415ab1 |
13 | 1757ab125 |
14 | c239c0a9 |
15 | 7783ac5d |
hex | 4c69f8e5 |
1282013413 has 2 divisors, whose sum is σ = 1282013414. Its totient is φ = 1282013412.
The previous prime is 1282013389. The next prime is 1282013477. The reversal of 1282013413 is 3143102821.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 915788644 + 366224769 = 30262^2 + 19137^2 .
It is a cyclic number.
It is not a de Polignac number, because 1282013413 - 217 = 1281882341 is a prime.
It is a super-2 number, since 2×12820134132 = 3287116782223817138, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1282013483) 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, 641006706 + 641006707.
It is an arithmetic number, because the mean of its divisors is an integer number (641006707).
Almost surely, 21282013413 is an apocalyptic number.
It is an amenable number.
1282013413 is a deficient number, since it is larger than the sum of its proper divisors (1).
1282013413 is an equidigital number, since it uses as much as digits as its factorization.
1282013413 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 1282013413 is about 35805.2148855443. The cubic root of 1282013413 is about 1086.3360446220.
The spelling of 1282013413 in words is "one billion, two hundred eighty-two million, thirteen thousand, four hundred thirteen".
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