Base | Representation |
---|---|
bin | 11101010010000001001… |
… | …100011011000111110101 |
3 | 21010100212112021111202010 |
4 | 131102001030123013311 |
5 | 230432002311242323 |
6 | 4140221511034433 |
7 | 265243331411220 |
oct | 35220114330765 |
9 | 7110775244663 |
10 | 2012212212213 |
11 | 706413376655 |
12 | 285b9196ba19 |
13 | 11799b66a948 |
14 | 6d56a74c5b7 |
15 | 375201bac93 |
hex | 1d48131b1f5 |
2012212212213 has 16 divisors (see below), whose sum is σ = 3066248111616. Its totient is φ = 1149828057840.
The previous prime is 2012212212167. The next prime is 2012212212223. The reversal of 2012212212213 is 3122122122102.
It is not a de Polignac number, because 2012212212213 - 213 = 2012212204021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 2012212212213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012212212223) 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, 5531770 + ... + 5884292.
It is an arithmetic number, because the mean of its divisors is an integer number (191640506976).
Almost surely, 22012212212213 is an apocalyptic number.
It is an amenable number.
2012212212213 is a deficient number, since it is larger than the sum of its proper divisors (1054035899403).
2012212212213 is a wasteful number, since it uses less digits than its factorization.
2012212212213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624344.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 2012212212213 its reverse (3122122122102), we get a palindrome (5134334334315).
The spelling of 2012212212213 in words is "two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •