Base | Representation |
---|---|
bin | 1011000100101100101100… |
… | …0000100100001110101001 |
3 | 1121002221200121022121101102 |
4 | 2301023023000210032221 |
5 | 3043440100332140410 |
6 | 41521135300131145 |
7 | 2364432232656113 |
oct | 261131300441651 |
9 | 47087617277342 |
10 | 12175343240105 |
11 | 3974596937391 |
12 | 14477b5996ab5 |
13 | 6a418c6328b6 |
14 | 30140b1443b3 |
15 | 161a968c32a5 |
hex | b12cb0243a9 |
12175343240105 has 16 divisors (see below), whose sum is σ = 14650115792400. Its totient is φ = 9713807228928.
The previous prime is 12175343240089. The next prime is 12175343240119. The reversal of 12175343240105 is 50104234357121.
It can be written as a sum of positive squares in 8 ways, for example, as 200331437056 + 11975011803049 = 447584^2 + 3460493^2 .
It is a cyclic number.
It is not a de Polignac number, because 12175343240105 - 24 = 12175343240089 is a prime.
It is a super-2 number, since 2×121753432401052 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58922249 + ... + 59128521.
It is an arithmetic number, because the mean of its divisors is an integer number (915632237025).
Almost surely, 212175343240105 is an apocalyptic number.
It is an amenable number.
12175343240105 is a deficient number, since it is larger than the sum of its proper divisors (2474772552295).
12175343240105 is a wasteful number, since it uses less digits than its factorization.
12175343240105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238300.
The product of its (nonzero) digits is 100800, while the sum is 38.
Adding to 12175343240105 its reverse (50104234357121), we get a palindrome (62279577597226).
The spelling of 12175343240105 in words is "twelve trillion, one hundred seventy-five billion, three hundred forty-three million, two hundred forty thousand, one hundred five".
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