Base | Representation |
---|---|
bin | 1000010110011010110… |
… | …11101001000101111101 |
3 | 1000102120120002112111200 |
4 | 10023031123221011331 |
5 | 14200100042321041 |
6 | 335450123410113 |
7 | 26505002206551 |
oct | 4131533510575 |
9 | 1012516075450 |
10 | 286914417021 |
11 | 100752788111 |
12 | 47733083939 |
13 | 21095ac35bb |
14 | dc5b299861 |
15 | 76e39a41b6 |
hex | 42cd6e917d |
286914417021 has 12 divisors (see below), whose sum is σ = 416579253948. Its totient is φ = 190285208064.
The previous prime is 286914417019. The next prime is 286914417043. The reversal of 286914417021 is 120714419682.
It can be written as a sum of positive squares in 2 ways, for example, as 128550214521 + 158364202500 = 358539^2 + 397950^2 .
It is not a de Polignac number, because 286914417021 - 21 = 286914417019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286914417061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82587330 + ... + 82590803.
It is an arithmetic number, because the mean of its divisors is an integer number (34714937829).
Almost surely, 2286914417021 is an apocalyptic number.
It is an amenable number.
286914417021 is a deficient number, since it is larger than the sum of its proper divisors (129664836927).
286914417021 is a wasteful number, since it uses less digits than its factorization.
286914417021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165178332 (or 165178329 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 286914417021 in words is "two hundred eighty-six billion, nine hundred fourteen million, four hundred seventeen thousand, twenty-one".
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