Base | Representation |
---|---|
bin | 100110001101010… |
… | …1100001011101011 |
3 | 10022100102122201202 |
4 | 1030122230023223 |
5 | 10111202041011 |
6 | 331115034415 |
7 | 43525242134 |
oct | 11432541353 |
9 | 3270378652 |
10 | 1282065131 |
11 | 5a8768566 |
12 | 2b943ba0b |
13 | 1757c8829 |
14 | c23b2c8b |
15 | 7784b23b |
hex | 4c6ac2eb |
1282065131 has 2 divisors, whose sum is σ = 1282065132. Its totient is φ = 1282065130.
The previous prime is 1282065077. The next prime is 1282065137. The reversal of 1282065131 is 1315602821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1282065131 - 26 = 1282065067 is a prime.
It is a super-2 number, since 2×12820651312 = 3287382000252094322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1282065094 and 1282065103.
It is not a weakly prime, because it can be changed into another prime (1282065137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641032565 + 641032566.
It is an arithmetic number, because the mean of its divisors is an integer number (641032566).
Almost surely, 21282065131 is an apocalyptic number.
1282065131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1282065131 is an equidigital number, since it uses as much as digits as its factorization.
1282065131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 1282065131 is about 35805.9370914936. The cubic root of 1282065131 is about 1086.3506524703.
Adding to 1282065131 its reverse (1315602821), we get a palindrome (2597667952).
The spelling of 1282065131 in words is "one billion, two hundred eighty-two million, sixty-five thousand, one hundred thirty-one".
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