Base | Representation |
---|---|
bin | 101101110010011… |
… | …111111000111111 |
3 | 1222112112020111102 |
4 | 231302133320333 |
5 | 3033130300133 |
6 | 204121243315 |
7 | 25015461500 |
oct | 5562377077 |
9 | 1875466442 |
10 | 768212543 |
11 | 3646aa4aa |
12 | 19533353b |
13 | c3203447 |
14 | 74052ba7 |
15 | 476987e8 |
hex | 2dc9fe3f |
768212543 has 12 divisors (see below), whose sum is σ = 896230152. Its totient is φ = 656555760.
The previous prime is 768212539. The next prime is 768212657. The reversal of 768212543 is 345212867.
It is a happy number.
It is not a de Polignac number, because 768212543 - 22 = 768212539 is a prime.
It is a super-2 number, since 2×7682125432 = 1180301022445053698, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 768212497 and 768212506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (768212513) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5588 + ... + 39593.
It is an arithmetic number, because the mean of its divisors is an integer number (74685846).
Almost surely, 2768212543 is an apocalyptic number.
768212543 is a deficient number, since it is larger than the sum of its proper divisors (128017609).
768212543 is a wasteful number, since it uses less digits than its factorization.
768212543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45542 (or 45535 counting only the distinct ones).
The product of its digits is 80640, while the sum is 38.
The square root of 768212543 is about 27716.6473982695. The cubic root of 768212543 is about 915.8558657643.
The spelling of 768212543 in words is "seven hundred sixty-eight million, two hundred twelve thousand, five hundred forty-three".
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