Base | Representation |
---|---|
bin | 1100010110010000011… |
… | …1010010111000101110 |
3 | 202021112220201112201100 |
4 | 3011210013102320232 |
5 | 11433422024001340 |
6 | 241241431023530 |
7 | 21216566005413 |
oct | 3054407227056 |
9 | 667486645640 |
10 | 212133031470 |
11 | 81a68625338 |
12 | 35142b0aba6 |
13 | 17008bc1239 |
14 | a3a564c10a |
15 | 57b8721830 |
hex | 31641d2e2e |
212133031470 has 96 divisors (see below), whose sum is σ = 554449989600. Its totient is φ = 56271612672.
The previous prime is 212133031469. The next prime is 212133031471. The reversal of 212133031470 is 74130331212.
It is a happy number.
212133031470 is a `hidden beast` number, since 2 + 1 + 213 + 303 + 147 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (212133031469) and next prime (212133031471).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212133031471) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16529016 + ... + 16541844.
It is an arithmetic number, because the mean of its divisors is an integer number (5775520725).
Almost surely, 2212133031470 is an apocalyptic number.
212133031470 is an abundant number, since it is smaller than the sum of its proper divisors (342316958130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212133031470 is a wasteful number, since it uses less digits than its factorization.
212133031470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13794 (or 13791 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
Adding to 212133031470 its reverse (74130331212), we get a palindrome (286263362682).
The spelling of 212133031470 in words is "two hundred twelve billion, one hundred thirty-three million, thirty-one thousand, four hundred seventy".
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