Base | Representation |
---|---|
bin | 11111111110010… |
… | …01110101101011 |
3 | 200200200122220110 |
4 | 33333021311223 |
5 | 1022130313421 |
6 | 42340425403 |
7 | 6434530611 |
oct | 1777116553 |
9 | 620618813 |
10 | 268213611 |
11 | 128443946 |
12 | 759a8263 |
13 | 4374b9a3 |
14 | 2789b6b1 |
15 | 18830a76 |
hex | ffc9d6b |
268213611 has 16 divisors (see below), whose sum is σ = 363161600. Its totient is φ = 176050368.
The previous prime is 268213601. The next prime is 268213639. The reversal of 268213611 is 116312862.
It is not a de Polignac number, because 268213611 - 25 = 268213579 is a prime.
It is a super-2 number, since 2×2682136112 = 143877082251318642, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (268213601) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95550 + ... + 98316.
It is an arithmetic number, because the mean of its divisors is an integer number (22697600).
Almost surely, 2268213611 is an apocalyptic number.
268213611 is a deficient number, since it is larger than the sum of its proper divisors (94947989).
268213611 is a wasteful number, since it uses less digits than its factorization.
268213611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3258.
The product of its digits is 3456, while the sum is 30.
The square root of 268213611 is about 16377.2284285223. The cubic root of 268213611 is about 644.9018226869.
The spelling of 268213611 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred eleven".
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