Base | Representation |
---|---|
bin | 10000000000101… |
… | …001110110001111 |
3 | 200201102122100100 |
4 | 100000221312033 |
5 | 1022230404423 |
6 | 42353102143 |
7 | 6441056250 |
oct | 2000516617 |
9 | 621378310 |
10 | 268606863 |
11 | 128692348 |
12 | 75b57953 |
13 | 43858995 |
14 | 27960b27 |
15 | 188ac343 |
hex | 10029d8f |
268606863 has 24 divisors (see below), whose sum is σ = 445910400. Its totient is φ = 152625744.
The previous prime is 268606843. The next prime is 268606879. The reversal of 268606863 is 368606862.
It is not a de Polignac number, because 268606863 - 210 = 268605839 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268606813) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633 + ... + 23186.
It is an arithmetic number, because the mean of its divisors is an integer number (18579600).
Almost surely, 2268606863 is an apocalyptic number.
268606863 is a deficient number, since it is larger than the sum of its proper divisors (177303537).
268606863 is a wasteful number, since it uses less digits than its factorization.
268606863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24011 (or 24008 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 45.
The square root of 268606863 is about 16389.2300917401. The cubic root of 268606863 is about 645.2168515492.
Subtracting 268606863 from its reverse (368606862), we obtain a palindrome (99999999).
The spelling of 268606863 in words is "two hundred sixty-eight million, six hundred six thousand, eight hundred sixty-three".
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