Base | Representation |
---|---|
bin | 10110010110100010… |
… | …00010010010001011 |
3 | 1010222022110001201221 |
4 | 23023101002102023 |
5 | 144034021101433 |
6 | 5302433222511 |
7 | 603242543440 |
oct | 131321022213 |
9 | 33868401657 |
10 | 12000175243 |
11 | 50a8871301 |
12 | 23aaa01a37 |
13 | 11931c6514 |
14 | 81ba659c7 |
15 | 4a37a772d |
hex | 2cb44248b |
12000175243 has 4 divisors (see below), whose sum is σ = 13714486000. Its totient is φ = 10285864488.
The previous prime is 12000175207. The next prime is 12000175247. The reversal of 12000175243 is 34257100021.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34257100021 = 3469 ⋅9875209.
It is a cyclic number.
It is not a de Polignac number, because 12000175243 - 29 = 12000174731 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12000175247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857155368 + ... + 857155381.
It is an arithmetic number, because the mean of its divisors is an integer number (3428621500).
Almost surely, 212000175243 is an apocalyptic number.
12000175243 is a deficient number, since it is larger than the sum of its proper divisors (1714310757).
12000175243 is an equidigital number, since it uses as much as digits as its factorization.
12000175243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1714310756.
The product of its (nonzero) digits is 1680, while the sum is 25.
Adding to 12000175243 its reverse (34257100021), we get a palindrome (46257275264).
The spelling of 12000175243 in words is "twelve billion, one hundred seventy-five thousand, two hundred forty-three".
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