Base | Representation |
---|---|
bin | 1011101100010110100111… |
… | …0100000111000001001001 |
3 | 1200112002011102101222011012 |
4 | 2323011221310013001021 |
5 | 3141120320232303331 |
6 | 43202125102213305 |
7 | 2464600561106141 |
oct | 273055164070111 |
9 | 50462142358135 |
10 | 12856612384841 |
11 | 410750557a205 |
12 | 1537845584235 |
13 | 7234b1318814 |
14 | 326398931921 |
15 | 17466b35782b |
hex | bb169d07049 |
12856612384841 has 8 divisors (see below), whose sum is σ = 13446722214144. Its totient is φ = 12269096445760.
The previous prime is 12856612384817. The next prime is 12856612384871. The reversal of 12856612384841 is 14848321665821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12856612384841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12856612384871) 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, 648462416 + ... + 648482241.
It is an arithmetic number, because the mean of its divisors is an integer number (1680840276768).
Almost surely, 212856612384841 is an apocalyptic number.
It is an amenable number.
12856612384841 is a deficient number, since it is larger than the sum of its proper divisors (590109829303).
12856612384841 is a wasteful number, since it uses less digits than its factorization.
12856612384841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1296945111.
The product of its digits is 17694720, while the sum is 59.
The spelling of 12856612384841 in words is "twelve trillion, eight hundred fifty-six billion, six hundred twelve million, three hundred eighty-four thousand, eight hundred forty-one".
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