Base | Representation |
---|---|
bin | 100000001100010011010… |
… | …100001100111000110010 |
3 | 21211111011021012201001110 |
4 | 200030103110030320302 |
5 | 242221122422021320 |
6 | 4412141354014150 |
7 | 315554114416455 |
oct | 40142324147062 |
9 | 7744137181043 |
10 | 2212232220210 |
11 | 783225463091 |
12 | 2b88b4117356 |
13 | 1307c6b73a6c |
14 | 7910335b49c |
15 | 3c82a2935e0 |
hex | 2031350ce32 |
2212232220210 has 64 divisors (see below), whose sum is σ = 5416682844672. Its totient is φ = 578032955136.
The previous prime is 2212232220151. The next prime is 2212232220217. The reversal of 2212232220210 is 120222322122.
It is a super-2 number, since 2×22122322202102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2212232220217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284647 + ... + 2122613.
It is an arithmetic number, because the mean of its divisors is an integer number (84635669448).
Almost surely, 22212232220210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2212232220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708341422336).
2212232220210 is an abundant number, since it is smaller than the sum of its proper divisors (3204450624462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212232220210 is a wasteful number, since it uses less digits than its factorization.
2212232220210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838787.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 2212232220210 its reverse (120222322122), we get a palindrome (2332454542332).
The spelling of 2212232220210 in words is "two trillion, two hundred twelve billion, two hundred thirty-two million, two hundred twenty thousand, two hundred ten".
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