Base | Representation |
---|---|
bin | 10111100010111100… |
… | …10011101111101001 |
3 | 1012121222121221002022 |
4 | 23301132103233221 |
5 | 201342121020331 |
6 | 5450212314225 |
7 | 625155221651 |
oct | 136136235751 |
9 | 35558557068 |
10 | 12641188841 |
11 | 53a7692306 |
12 | 2549612975 |
13 | 1265c520c8 |
14 | 87cc47361 |
15 | 4debc767b |
hex | 2f1793be9 |
12641188841 has 8 divisors (see below), whose sum is σ = 12885174144. Its totient is φ = 12397406320.
The previous prime is 12641188817. The next prime is 12641188843. The reversal of 12641188841 is 14888114621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12641188841 - 210 = 12641187817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12641188792 and 12641188801.
It is not an unprimeable number, because it can be changed into a prime (12641188843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78320 + ... + 177246.
It is an arithmetic number, because the mean of its divisors is an integer number (1610646768).
Almost surely, 212641188841 is an apocalyptic number.
It is an amenable number.
12641188841 is a deficient number, since it is larger than the sum of its proper divisors (243985303).
12641188841 is an equidigital number, since it uses as much as digits as its factorization.
12641188841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101391.
The product of its digits is 98304, while the sum is 44.
The spelling of 12641188841 in words is "twelve billion, six hundred forty-one million, one hundred eighty-eight thousand, eight hundred forty-one".
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