Base | Representation |
---|---|
bin | 100000001101000010011… |
… | …001011110010011110010 |
3 | 21211120012022120100120000 |
4 | 200031002121132103302 |
5 | 242224232131201232 |
6 | 4412352012330430 |
7 | 315612515513613 |
oct | 40150231362362 |
9 | 7746168510500 |
10 | 2213022131442 |
11 | 7835a0333091 |
12 | 2b8a94773a16 |
13 | 1308c1703865 |
14 | 7917a21bc0a |
15 | 3c8747c627c |
hex | 2034265e4f2 |
2213022131442 has 40 divisors (see below), whose sum is σ = 4960613707500. Its totient is φ = 737405552736.
The previous prime is 2213022131413. The next prime is 2213022131447. The reversal of 2213022131442 is 2441312203122.
2213022131442 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 0 + 2 + 213 + 1 + 442 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2209744683441 + 3277448001 = 1486521^2 + 57249^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2213022131447) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2039317 + ... + 2929992.
Almost surely, 22213022131442 is an apocalyptic number.
2213022131442 is an abundant number, since it is smaller than the sum of its proper divisors (2747591576058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213022131442 is a wasteful number, since it uses less digits than its factorization.
2213022131442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4972072 (or 4972063 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 2213022131442 its reverse (2441312203122), we get a palindrome (4654334334564).
The spelling of 2213022131442 in words is "two trillion, two hundred thirteen billion, twenty-two million, one hundred thirty-one thousand, four hundred forty-two".
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