Base | Representation |
---|---|
bin | 1000000110110… |
… | …01110101010111 |
3 | 11201221210222200 |
4 | 10003121311113 |
5 | 114402013421 |
6 | 10425255543 |
7 | 1453666653 |
oct | 403316527 |
9 | 151853880 |
10 | 68001111 |
11 | 35426272 |
12 | 1a9345b3 |
13 | 1111ba59 |
14 | 9061a63 |
15 | 5e83726 |
hex | 40d9d57 |
68001111 has 6 divisors (see below), whose sum is σ = 98223840. Its totient is φ = 45334068.
The previous prime is 68001107. The next prime is 68001113. The reversal of 68001111 is 11110086.
It is not a de Polignac number, because 68001111 - 22 = 68001107 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68001113) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3777831 + ... + 3777848.
It is an arithmetic number, because the mean of its divisors is an integer number (16370640).
Almost surely, 268001111 is an apocalyptic number.
68001111 is a deficient number, since it is larger than the sum of its proper divisors (30222729).
68001111 is a wasteful number, since it uses less digits than its factorization.
68001111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7555685 (or 7555682 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 18.
The square root of 68001111 is about 8246.2786152300. The cubic root of 68001111 is about 408.1677330810.
Adding to 68001111 its reverse (11110086), we get a palindrome (79111197).
The spelling of 68001111 in words is "sixty-eight million, one thousand, one hundred eleven".
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