Base | Representation |
---|---|
bin | 1100011010010100100… |
… | …1011110011110000010 |
3 | 202101100221210200212200 |
4 | 3012211021132132002 |
5 | 11443140333402432 |
6 | 241542004534030 |
7 | 21255615064155 |
oct | 3064511363602 |
9 | 671327720780 |
10 | 213224122242 |
11 | 82478504a4a |
12 | 353a83b1316 |
13 | 17150c72991 |
14 | a46a50bc9c |
15 | 582e3e7a7c |
hex | 31a525e782 |
213224122242 has 48 divisors (see below), whose sum is σ = 493732897632. Its totient is φ = 66268656000.
The previous prime is 213224122229. The next prime is 213224122247. The reversal of 213224122242 is 242221422312.
213224122242 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 412 + 2 + 242 = 666.
It is not an unprimeable number, because it can be changed into a prime (213224122247) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3223384 + ... + 3288867.
It is an arithmetic number, because the mean of its divisors is an integer number (10286102034).
Almost surely, 2213224122242 is an apocalyptic number.
213224122242 is an abundant number, since it is smaller than the sum of its proper divisors (280508775390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213224122242 is a wasteful number, since it uses less digits than its factorization.
213224122242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6512383 (or 6512380 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
Adding to 213224122242 its reverse (242221422312), we get a palindrome (455445544554).
The spelling of 213224122242 in words is "two hundred thirteen billion, two hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-two".
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