Base | Representation |
---|---|
bin | 100101110010100… |
… | …1100011010000111 |
3 | 10021101001011201111 |
4 | 1023211030122013 |
5 | 10044104310401 |
6 | 325454305451 |
7 | 43265113363 |
oct | 11345143207 |
9 | 3241034644 |
10 | 1268041351 |
11 | 5a085a265 |
12 | 2b47b8287 |
13 | 172928635 |
14 | c05a22a3 |
15 | 764cae51 |
hex | 4b94c687 |
1268041351 has 2 divisors, whose sum is σ = 1268041352. Its totient is φ = 1268041350.
The previous prime is 1268041349. The next prime is 1268041417. The reversal of 1268041351 is 1531408621.
It is a weak prime.
It is an emirp because it is prime and its reverse (1531408621) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1268041351 - 21 = 1268041349 is a prime.
Together with 1268041349, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1268041301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634020675 + 634020676.
It is an arithmetic number, because the mean of its divisors is an integer number (634020676).
Almost surely, 21268041351 is an apocalyptic number.
1268041351 is a deficient number, since it is larger than the sum of its proper divisors (1).
1268041351 is an equidigital number, since it uses as much as digits as its factorization.
1268041351 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 1268041351 is about 35609.5682506823. The cubic root of 1268041351 is about 1082.3751314453.
Adding to 1268041351 its reverse (1531408621), we get a palindrome (2799449972).
The spelling of 1268041351 in words is "one billion, two hundred sixty-eight million, forty-one thousand, three hundred fifty-one".
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