Base | Representation |
---|---|
bin | 1100010101111011000… |
… | …0101010100001000100 |
3 | 202021022122201021202110 |
4 | 3011132300222201010 |
5 | 11433231030302433 |
6 | 241224501541020 |
7 | 21214425366534 |
oct | 3053660524104 |
9 | 667278637673 |
10 | 212043212868 |
11 | 81a21958293 |
12 | 35118a14770 |
13 | 16cc3403a36 |
14 | a39774b4c4 |
15 | 57b08cd963 |
hex | 315ec2a844 |
212043212868 has 24 divisors (see below), whose sum is σ = 494870686240. Its totient is φ = 70666329600.
The previous prime is 212043212813. The next prime is 212043212869. The reversal of 212043212868 is 868212340212.
It is not an unprimeable number, because it can be changed into a prime (212043212869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782658 + ... + 1897881.
Almost surely, 2212043212868 is an apocalyptic number.
It is an amenable number.
212043212868 is an abundant number, since it is smaller than the sum of its proper divisors (282827473372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212043212868 is a wasteful number, since it uses less digits than its factorization.
212043212868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3685347 (or 3685345 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The spelling of 212043212868 in words is "two hundred twelve billion, forty-three million, two hundred twelve thousand, eight hundred sixty-eight".
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