Base | Representation |
---|---|
bin | 1100100111110… |
… | …01110110110011 |
3 | 21101020022102221 |
4 | 12103321312303 |
5 | 204101143021 |
6 | 14301221511 |
7 | 2423654665 |
oct | 623716663 |
9 | 241208387 |
10 | 105881011 |
11 | 54848a75 |
12 | 2b561897 |
13 | 18c225b2 |
14 | 100c2535 |
15 | 9467241 |
hex | 64f9db3 |
105881011 has 2 divisors, whose sum is σ = 105881012. Its totient is φ = 105881010.
The previous prime is 105880993. The next prime is 105881023. The reversal of 105881011 is 110188501.
It is a strong prime.
It is an emirp because it is prime and its reverse (110188501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 105881011 - 25 = 105880979 is a prime.
It is a super-2 number, since 2×1058810112 = 22421576980764242, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (105881411) 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, 52940505 + 52940506.
It is an arithmetic number, because the mean of its divisors is an integer number (52940506).
Almost surely, 2105881011 is an apocalyptic number.
105881011 is a deficient number, since it is larger than the sum of its proper divisors (1).
105881011 is an equidigital number, since it uses as much as digits as its factorization.
105881011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 320, while the sum is 25.
The square root of 105881011 is about 10289.8499017235. The cubic root of 105881011 is about 473.0851978649.
The spelling of 105881011 in words is "one hundred five million, eight hundred eighty-one thousand, eleven".
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