Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0011011111111100 |
3 | 12201212002221000000 |
4 | 2010130103133330 |
5 | 14022313344122 |
6 | 1004253234300 |
7 | 106030536204 |
oct | 20434233774 |
9 | 5655087000 |
10 | 2222012412 |
11 | a402a48a4 |
12 | 520192990 |
13 | 29546aa59 |
14 | 17116b404 |
15 | d01190ac |
hex | 847137fc |
2222012412 has 42 divisors (see below), whose sum is σ = 5830123208. Its totient is φ = 740669832.
The previous prime is 2222012411. The next prime is 2222012431. The reversal of 2222012412 is 2142102222.
2222012412 is a `hidden beast` number, since 22 + 220 + 12 + 412 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222012411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 378088 + ... + 383919.
Almost surely, 22222012412 is an apocalyptic number.
It is an amenable number.
2222012412 is an abundant number, since it is smaller than the sum of its proper divisors (3608110796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222012412 is an equidigital number, since it uses as much as digits as its factorization.
2222012412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762029 (or 762012 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 2222012412 is about 47138.2266531103. The cubic root of 2222012412 is about 1304.9148101346.
Adding to 2222012412 its reverse (2142102222), we get a palindrome (4364114634).
The spelling of 2222012412 in words is "two billion, two hundred twenty-two million, twelve thousand, four hundred twelve".
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