Base | Representation |
---|---|
bin | 1100100101010… |
… | …10010001001001 |
3 | 21100121202021002 |
4 | 12102222101021 |
5 | 204010230032 |
6 | 14250224345 |
7 | 2421126401 |
oct | 622522111 |
9 | 240552232 |
10 | 105555017 |
11 | 54646057 |
12 | 2b4250b5 |
13 | 18b3a0b9 |
14 | 10039801 |
15 | 9400862 |
hex | 64aa449 |
105555017 has 2 divisors, whose sum is σ = 105555018. Its totient is φ = 105555016.
The previous prime is 105555011. The next prime is 105555019. The reversal of 105555017 is 710555501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 104264521 + 1290496 = 10211^2 + 1136^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-105555017 is a prime.
It is a super-2 number, since 2×1055550172 = 22283723227740578, which contains 22 as substring.
Together with 105555019, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p6062717 and since 105555017 and 6062717 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (105555011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777508 + 52777509.
It is an arithmetic number, because the mean of its divisors is an integer number (52777509).
Almost surely, 2105555017 is an apocalyptic number.
It is an amenable number.
105555017 is a deficient number, since it is larger than the sum of its proper divisors (1).
105555017 is an equidigital number, since it uses as much as digits as its factorization.
105555017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4375, while the sum is 29.
The square root of 105555017 is about 10273.9971286739. The cubic root of 105555017 is about 472.5991759196.
The spelling of 105555017 in words is "one hundred five million, five hundred fifty-five thousand, seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •