Base | Representation |
---|---|
bin | 10111110110101100… |
… | …10011001001100110 |
3 | 1020001112100222010112 |
4 | 23323112103021212 |
5 | 202212024031124 |
6 | 5514451253022 |
7 | 632236345244 |
oct | 137326231146 |
9 | 36045328115 |
10 | 12806861414 |
11 | 5482159596 |
12 | 2594baa172 |
13 | 129137a809 |
14 | 896c51794 |
15 | 4ee50090e |
hex | 2fb593266 |
12806861414 has 4 divisors (see below), whose sum is σ = 19210292124. Its totient is φ = 6403430706.
The previous prime is 12806861407. The next prime is 12806861437. The reversal of 12806861414 is 41416860821.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
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, 3201715352 + ... + 3201715355.
It is an arithmetic number, because the mean of its divisors is an integer number (4802573031).
Almost surely, 212806861414 is an apocalyptic number.
12806861414 is a deficient number, since it is larger than the sum of its proper divisors (6403430710).
12806861414 is an equidigital number, since it uses as much as digits as its factorization.
12806861414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6403430709.
The product of its (nonzero) digits is 73728, while the sum is 41.
The spelling of 12806861414 in words is "twelve billion, eight hundred six million, eight hundred sixty-one thousand, four hundred fourteen".
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