Base | Representation |
---|---|
bin | 100000001100010010100… |
… | …110011001001111110100 |
3 | 21211111010102121122011210 |
4 | 200030102212121033310 |
5 | 242221111333242322 |
6 | 4412140244401420 |
7 | 315553610354643 |
oct | 40142246311764 |
9 | 7744112548153 |
10 | 2212220212212 |
11 | 78321970131a |
12 | 2b88b00a6270 |
13 | 1307c452b23a |
14 | 7910191335a |
15 | 3c8291c070c |
hex | 203129993f4 |
2212220212212 has 96 divisors (see below), whose sum is σ = 5548552773120. Its totient is φ = 683865936000.
The previous prime is 2212220212207. The next prime is 2212220212327. The reversal of 2212220212212 is 2122120222122.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5146587 + ... + 5559837.
It is an arithmetic number, because the mean of its divisors is an integer number (57797424720).
Almost surely, 22212220212212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2212220212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774276386560).
2212220212212 is an abundant number, since it is smaller than the sum of its proper divisors (3336332560908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212220212212 is a wasteful number, since it uses less digits than its factorization.
2212220212212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413773 (or 413771 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 2212220212212 its reverse (2122120222122), we get a palindrome (4334340434334).
The spelling of 2212220212212 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •