Base | Representation |
---|---|
bin | 101001000100001100001… |
… | …000010011100001111101 |
3 | 100222210001211020211210221 |
4 | 221010030020103201331 |
5 | 332213422214022323 |
6 | 10000224005501341 |
7 | 410611500603433 |
oct | 51041410234175 |
9 | 10883054224727 |
10 | 2821997017213 |
11 | 998890824150 |
12 | 396b09111851 |
13 | 17616185a15a |
14 | 9a82a41ad53 |
15 | 4d61750e55d |
hex | 2910c21387d |
2821997017213 has 8 divisors (see below), whose sum is σ = 3078556397280. Its totient is φ = 2565440003280.
The previous prime is 2821997017207. The next prime is 2821997017291. The reversal of 2821997017213 is 3127107991282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2821997017213 - 217 = 2821996886141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2821997047213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697231 + ... + 3594307.
It is an arithmetic number, because the mean of its divisors is an integer number (384819549660).
Almost surely, 22821997017213 is an apocalyptic number.
It is an amenable number.
2821997017213 is a deficient number, since it is larger than the sum of its proper divisors (256559380067).
2821997017213 is a wasteful number, since it uses less digits than its factorization.
2821997017213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1183067.
The product of its (nonzero) digits is 762048, while the sum is 52.
The spelling of 2821997017213 in words is "two trillion, eight hundred twenty-one billion, nine hundred ninety-seven million, seventeen thousand, two hundred thirteen".
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