Base | Representation |
---|---|
bin | 10110110010000011… |
… | …01101111101001110 |
3 | 1011120101212020210211 |
4 | 23121001231331032 |
5 | 200022121301341 |
6 | 5341401353034 |
7 | 612045063133 |
oct | 133101557516 |
9 | 34511766724 |
10 | 12231040846 |
11 | 5207116022 |
12 | 245419877a |
13 | 11cbc9979b |
14 | 8405a058a |
15 | 4b8bac181 |
hex | 2d906df4e |
12231040846 has 4 divisors (see below), whose sum is σ = 18346561272. Its totient is φ = 6115520422.
The previous prime is 12231040819. The next prime is 12231040849. The reversal of 12231040846 is 64804013221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64804013221 = 1889 ⋅34305989.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231040849) 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 as a sum of consecutive naturals, namely, 3057760210 + ... + 3057760213.
It is an arithmetic number, because the mean of its divisors is an integer number (4586640318).
Almost surely, 212231040846 is an apocalyptic number.
12231040846 is a deficient number, since it is larger than the sum of its proper divisors (6115520426).
12231040846 is an equidigital number, since it uses as much as digits as its factorization.
12231040846 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6115520425.
The product of its (nonzero) digits is 9216, while the sum is 31.
The spelling of 12231040846 in words is "twelve billion, two hundred thirty-one million, forty thousand, eight hundred forty-six".
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