Base | Representation |
---|---|
bin | 1011010100100000111100… |
… | …0101000101010000010011 |
3 | 1122001221001120210111111020 |
4 | 2311020033011011100103 |
5 | 3112413043430324131 |
6 | 42250034301250523 |
7 | 2423161645102044 |
oct | 265101705052023 |
9 | 48057046714436 |
10 | 12447068214291 |
11 | 3a69854570257 |
12 | 14903a9b63a43 |
13 | 6c39a457b1a9 |
14 | 310626d848cb |
15 | 168b9bae1996 |
hex | b520f145413 |
12447068214291 has 16 divisors (see below), whose sum is σ = 16702097594784. Its totient is φ = 8245044048384.
The previous prime is 12447068214289. The next prime is 12447068214419. The reversal of 12447068214291 is 19241286074421.
It is a happy number.
It is not a de Polignac number, because 12447068214291 - 21 = 12447068214289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12447068219291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30266155 + ... + 30674651.
It is an arithmetic number, because the mean of its divisors is an integer number (1043881099674).
Almost surely, 212447068214291 is an apocalyptic number.
12447068214291 is a deficient number, since it is larger than the sum of its proper divisors (4255029380493).
12447068214291 is a wasteful number, since it uses less digits than its factorization.
12447068214291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473350.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 12447068214291 in words is "twelve trillion, four hundred forty-seven billion, sixty-eight million, two hundred fourteen thousand, two hundred ninety-one".
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