Base | Representation |
---|---|
bin | 1111101111110… |
… | …1100000111001 |
3 | 11121021200201012 |
4 | 3323331200321 |
5 | 113402100410 |
6 | 10315403305 |
7 | 1431262622 |
oct | 373754071 |
9 | 147250635 |
10 | 66050105 |
11 | 34313470 |
12 | 1a153535 |
13 | 108b7a04 |
14 | 8ab4a49 |
15 | 5bea605 |
hex | 3efd839 |
66050105 has 16 divisors (see below), whose sum is σ = 86961600. Its totient is φ = 47760960.
The previous prime is 66050077. The next prime is 66050167. The reversal of 66050105 is 50105066.
It is not a de Polignac number, because 66050105 - 26 = 66050041 is a prime.
It is a super-2 number, since 2×660501052 = 8725232741022050, which contains 22 as substring.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 6491 + ... + 13199.
It is an arithmetic number, because the mean of its divisors is an integer number (5435100).
Almost surely, 266050105 is an apocalyptic number.
It is an amenable number.
66050105 is a deficient number, since it is larger than the sum of its proper divisors (20911495).
66050105 is a wasteful number, since it uses less digits than its factorization.
66050105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6904.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 66050105 is about 8127.1215691658. The cubic root of 66050105 is about 404.2262420180.
The spelling of 66050105 in words is "sixty-six million, fifty thousand, one hundred five".
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