Base | Representation |
---|---|
bin | 111111101101110… |
… | …010101111001111 |
3 | 2202111110020200011 |
4 | 333231302233033 |
5 | 4142124001121 |
6 | 254023414051 |
7 | 35330041303 |
oct | 7755625717 |
9 | 2674406604 |
10 | 1068968911 |
11 | 4a945018a |
12 | 259bb4327 |
13 | 1406075aa |
14 | a1d81d03 |
15 | 63ca67e1 |
hex | 3fb72bcf |
1068968911 has 2 divisors, whose sum is σ = 1068968912. Its totient is φ = 1068968910.
The previous prime is 1068968843. The next prime is 1068968921. The reversal of 1068968911 is 1198698601.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1068968911 - 29 = 1068968399 is a prime.
It is a super-2 number, since 2×10689689112 = 2285389065369051842, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1068968921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534484455 + 534484456.
It is an arithmetic number, because the mean of its divisors is an integer number (534484456).
Almost surely, 21068968911 is an apocalyptic number.
1068968911 is a deficient number, since it is larger than the sum of its proper divisors (1).
1068968911 is an equidigital number, since it uses as much as digits as its factorization.
1068968911 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 186624, while the sum is 49.
The square root of 1068968911 is about 32695.0900136397. The cubic root of 1068968911 is about 1022.4804781036.
The spelling of 1068968911 in words is "one billion, sixty-eight million, nine hundred sixty-eight thousand, nine hundred eleven".
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