Base | Representation |
---|---|
bin | 1000001000111… |
… | …01001001001011 |
3 | 11202110211011210 |
4 | 10010131021023 |
5 | 114434324221 |
6 | 10435224203 |
7 | 1456225521 |
oct | 404351113 |
9 | 152424153 |
10 | 68276811 |
11 | 355a4419 |
12 | 1aa48063 |
13 | 111b73a5 |
14 | 90d4311 |
15 | 5eda276 |
hex | 411d24b |
68276811 has 16 divisors (see below), whose sum is σ = 100583424. Its totient is φ = 40977024.
The previous prime is 68276779. The next prime is 68276821. The reversal of 68276811 is 11867286.
It is not a de Polignac number, because 68276811 - 25 = 68276779 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68276811.
It is not an unprimeable number, because it can be changed into a prime (68276821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27931 + ... + 30276.
It is an arithmetic number, because the mean of its divisors is an integer number (6286464).
Almost surely, 268276811 is an apocalyptic number.
68276811 is a deficient number, since it is larger than the sum of its proper divisors (32306613).
68276811 is a wasteful number, since it uses less digits than its factorization.
68276811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58250.
The product of its digits is 32256, while the sum is 39.
The square root of 68276811 is about 8262.9783371373. The cubic root of 68276811 is about 408.7186069466.
The spelling of 68276811 in words is "sixty-eight million, two hundred seventy-six thousand, eight hundred eleven".
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