Base | Representation |
---|---|
bin | 10111111100110111… |
… | …11111001001100001 |
3 | 1020012010212211100121 |
4 | 23332123333021201 |
5 | 202313310342001 |
6 | 5523542120241 |
7 | 633436003432 |
oct | 137633771141 |
9 | 36163784317 |
10 | 12858684001 |
11 | 54a9434679 |
12 | 25aa420081 |
13 | 129c023677 |
14 | 89daa1489 |
15 | 503d3a6a1 |
hex | 2fe6ff261 |
12858684001 has 2 divisors, whose sum is σ = 12858684002. Its totient is φ = 12858684000.
The previous prime is 12858683989. The next prime is 12858684011. The reversal of 12858684001 is 10048685821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12205830400 + 652853601 = 110480^2 + 25551^2 .
It is an emirp because it is prime and its reverse (10048685821) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12858684001 - 229 = 12321813089 is a prime.
It is not a weakly prime, because it can be changed into another prime (12858684011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6429342000 + 6429342001.
It is an arithmetic number, because the mean of its divisors is an integer number (6429342001).
Almost surely, 212858684001 is an apocalyptic number.
It is an amenable number.
12858684001 is a deficient number, since it is larger than the sum of its proper divisors (1).
12858684001 is an equidigital number, since it uses as much as digits as its factorization.
12858684001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 122880, while the sum is 43.
The spelling of 12858684001 in words is "twelve billion, eight hundred fifty-eight million, six hundred eighty-four thousand, one".
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