Base | Representation |
---|---|
bin | 10110111000100110… |
… | …10001101011100111 |
3 | 1011201020020012200011 |
4 | 23130103101223213 |
5 | 200130202202041 |
6 | 5351043031051 |
7 | 613313031613 |
oct | 133423215347 |
9 | 34636205604 |
10 | 12285975271 |
11 | 5235127079 |
12 | 246a66b487 |
13 | 120a491b6b |
14 | 8479c0343 |
15 | 4bd90de81 |
hex | 2dc4d1ae7 |
12285975271 has 4 divisors (see below), whose sum is σ = 12494212200. Its totient is φ = 12077738344.
The previous prime is 12285975257. The next prime is 12285975287. The reversal of 12285975271 is 17257958221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12285975271 - 29 = 12285974759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12285975241) 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, 104118376 + ... + 104118493.
It is an arithmetic number, because the mean of its divisors is an integer number (3123553050).
Almost surely, 212285975271 is an apocalyptic number.
12285975271 is a deficient number, since it is larger than the sum of its proper divisors (208236929).
12285975271 is an equidigital number, since it uses as much as digits as its factorization.
12285975271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208236928.
The product of its digits is 705600, while the sum is 49.
The spelling of 12285975271 in words is "twelve billion, two hundred eighty-five million, nine hundred seventy-five thousand, two hundred seventy-one".
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