Base | Representation |
---|---|
bin | 1100011010010110100… |
… | …1001001010100100111 |
3 | 202101101112102111001202 |
4 | 3012211221021110213 |
5 | 11443200000033411 |
6 | 241542502513115 |
7 | 21256045462211 |
oct | 3064551112447 |
9 | 671345374052 |
10 | 213232424231 |
11 | 824821653a2 |
12 | 353ab13579b |
13 | 171528bb6b8 |
14 | a46b66d5b1 |
15 | 582eed783b |
hex | 31a5a49527 |
213232424231 has 2 divisors, whose sum is σ = 213232424232. Its totient is φ = 213232424230.
The previous prime is 213232424203. The next prime is 213232424267. The reversal of 213232424231 is 132424232312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 213232424231 - 210 = 213232423207 is a prime.
It is a super-2 number, since 2×2132324242312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213232424194 and 213232424203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (213232424131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616212115 + 106616212116.
It is an arithmetic number, because the mean of its divisors is an integer number (106616212116).
Almost surely, 2213232424231 is an apocalyptic number.
213232424231 is a deficient number, since it is larger than the sum of its proper divisors (1).
213232424231 is an equidigital number, since it uses as much as digits as its factorization.
213232424231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13824, while the sum is 29.
Adding to 213232424231 its reverse (132424232312), we get a palindrome (345656656543).
The spelling of 213232424231 in words is "two hundred thirteen billion, two hundred thirty-two million, four hundred twenty-four thousand, two hundred thirty-one".
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