Base | Representation |
---|---|
bin | 10110101011011001… |
… | …10101010001111100 |
3 | 1011102111211222102222 |
4 | 23111230311101330 |
5 | 144413324443142 |
6 | 5332045304512 |
7 | 610466532353 |
oct | 132554652174 |
9 | 34374758388 |
10 | 12175234172 |
11 | 5188669702 |
12 | 2439565138 |
13 | 11c055a39a |
14 | 836dd499a |
15 | 4b3d36bd2 |
hex | 2d5b3547c |
12175234172 has 12 divisors (see below), whose sum is σ = 21425692680. Its totient is φ = 6053607696.
The previous prime is 12175234163. The next prime is 12175234177. The reversal of 12175234172 is 27143257121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12175234177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501543 + ... + 8502974.
It is an arithmetic number, because the mean of its divisors is an integer number (1785474390).
Almost surely, 212175234172 is an apocalyptic number.
It is an amenable number.
12175234172 is a deficient number, since it is larger than the sum of its proper divisors (9250458508).
12175234172 is a wasteful number, since it uses less digits than its factorization.
12175234172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17004700 (or 17004698 counting only the distinct ones).
The product of its digits is 23520, while the sum is 35.
The spelling of 12175234172 in words is "twelve billion, one hundred seventy-five million, two hundred thirty-four thousand, one hundred seventy-two".
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