Base | Representation |
---|---|
bin | 10000000000101… |
… | …111111111011111 |
3 | 200201110220212111 |
4 | 100000233333133 |
5 | 1022232211111 |
6 | 42353414451 |
7 | 6441222523 |
oct | 2000577737 |
9 | 621426774 |
10 | 268632031 |
11 | 1286aa248 |
12 | 75b6a427 |
13 | 43867285 |
14 | 27969d83 |
15 | 188b4a21 |
hex | 1002ffdf |
268632031 has 2 divisors, whose sum is σ = 268632032. Its totient is φ = 268632030.
The previous prime is 268631999. The next prime is 268632047. The reversal of 268632031 is 130236862.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 268632031 - 25 = 268631999 is a prime.
It is a super-2 number, since 2×2686320312 = 144326336158369922, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 268631984 and 268632002.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (268632071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134316015 + 134316016.
It is an arithmetic number, because the mean of its divisors is an integer number (134316016).
Almost surely, 2268632031 is an apocalyptic number.
268632031 is a deficient number, since it is larger than the sum of its proper divisors (1).
268632031 is an equidigital number, since it uses as much as digits as its factorization.
268632031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 268632031 is about 16389.9978950578. The cubic root of 268632031 is about 645.2370028220.
Adding to 268632031 its reverse (130236862), we get a palindrome (398868893).
The spelling of 268632031 in words is "two hundred sixty-eight million, six hundred thirty-two thousand, thirty-one".
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