Base | Representation |
---|---|
bin | 1100011010010110100… |
… | …0000010000011010001 |
3 | 202101101111212122121200 |
4 | 3012211220002003101 |
5 | 11443144411213210 |
6 | 241542452341413 |
7 | 21256043135133 |
oct | 3064550020321 |
9 | 671344778550 |
10 | 213232132305 |
11 | 82481a86035 |
12 | 353ab014869 |
13 | 1715281886a |
14 | a46b5d5053 |
15 | 582ee7b0c0 |
hex | 31a5a020d1 |
213232132305 has 48 divisors (see below), whose sum is σ = 374195203200. Its totient is φ = 112311650304.
The previous prime is 213232132277. The next prime is 213232132307. The reversal of 213232132305 is 503231232312.
It is a happy number.
213232132305 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 321 + 32 + 305 = 666.
It is not a de Polignac number, because 213232132305 - 25 = 213232132273 is a prime.
It is a super-2 number, since 2×2132321323052 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213232132307) 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, 11707596 + ... + 11725794.
It is an arithmetic number, because the mean of its divisors is an integer number (7795733400).
Almost surely, 2213232132305 is an apocalyptic number.
It is an amenable number.
213232132305 is a deficient number, since it is larger than the sum of its proper divisors (160963070895).
213232132305 is a wasteful number, since it uses less digits than its factorization.
213232132305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21430 (or 21427 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 213232132305 its reverse (503231232312), we get a palindrome (716463364617).
The spelling of 213232132305 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred thirty-two thousand, three hundred five".
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