Base | Representation |
---|---|
bin | 1100011010011000111… |
… | …0111001110111111110 |
3 | 202101102020001100211201 |
4 | 3012212032321313332 |
5 | 11443210013304210 |
6 | 241543455010114 |
7 | 21256225556014 |
oct | 3064616716776 |
9 | 671366040751 |
10 | 213242322430 |
11 | 82487806025 |
12 | 353b250993a |
13 | 17154975b17 |
14 | a46cac88b4 |
15 | 5830ce053a |
hex | 31a63b9dfe |
213242322430 has 64 divisors (see below), whose sum is σ = 396786843648. Its totient is φ = 82467342720.
The previous prime is 213242322367. The next prime is 213242322437. The reversal of 213242322430 is 34223242312.
It is a super-2 number, since 2×2132423224302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213242322437) 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, 20375379 + ... + 20385841.
It is an arithmetic number, because the mean of its divisors is an integer number (6199794432).
Almost surely, 2213242322430 is an apocalyptic number.
213242322430 is a deficient number, since it is larger than the sum of its proper divisors (183544521218).
213242322430 is a wasteful number, since it uses less digits than its factorization.
213242322430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11041.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 213242322430 its reverse (34223242312), we get a palindrome (247465564742).
The spelling of 213242322430 in words is "two hundred thirteen billion, two hundred forty-two million, three hundred twenty-two thousand, four hundred thirty".
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