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12471370666 = 224125874213
BaseRepresentation
bin10111001110101101…
…00000001110101010
31012012011002021100021
423213112200032222
5201020132330131
65421304431054
7621023621146
oct134726401652
935164067307
1012471370666
11531a844407
12250077848a
131239a04791
14864480226
154ced30e11
hex2e75a03aa

12471370666 has 8 divisors (see below), whose sum is σ = 18784679364. Its totient is φ = 6209810880.

The previous prime is 12471370633. The next prime is 12471370669. The reversal of 12471370666 is 66607317421.

12471370666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10921295025 + 1550075641 = 104505^2 + 39371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12471370669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12936625 + ... + 12937588.

Almost surely, 212471370666 is an apocalyptic number.

12471370666 is a deficient number, since it is larger than the sum of its proper divisors (6313308698).

12471370666 is a wasteful number, since it uses less digits than its factorization.

12471370666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25874456.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 12471370666 in words is "twelve billion, four hundred seventy-one million, three hundred seventy thousand, six hundred sixty-six".

Divisors: 1 2 241 482 25874213 51748426 6235685333 12471370666