Base | Representation |
---|---|
bin | 101010011100010… |
… | …111101011101001 |
3 | 1211121220102021020 |
4 | 222130113223221 |
5 | 2424243030410 |
6 | 154354203053 |
7 | 23434403202 |
oct | 5234275351 |
9 | 1747812236 |
10 | 712080105 |
11 | 335a50360 |
12 | 17a583489 |
13 | b46ab999 |
14 | 6a8005a9 |
15 | 427aba70 |
hex | 2a717ae9 |
712080105 has 96 divisors (see below), whose sum is σ = 1342154880. Its totient is φ = 319610880.
The previous prime is 712080101. The next prime is 712080163. The reversal of 712080105 is 501080217.
It is not a de Polignac number, because 712080105 - 22 = 712080101 is a prime.
It is a super-2 number, since 2×7120801052 = 1014116151873622050, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (712080101) 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 in 95 ways as a sum of consecutive naturals, for example, 5197597 + ... + 5197733.
It is an arithmetic number, because the mean of its divisors is an integer number (13980780).
Almost surely, 2712080105 is an apocalyptic number.
It is an amenable number.
712080105 is a deficient number, since it is larger than the sum of its proper divisors (630074775).
712080105 is a wasteful number, since it uses less digits than its factorization.
712080105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299 (or 282 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 712080105 is about 26684.8291169346. The cubic root of 712080105 is about 892.9825055396.
The spelling of 712080105 in words is "seven hundred twelve million, eighty thousand, one hundred five".
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