Base | Representation |
---|---|
bin | 1000000110111… |
… | …01101100001110 |
3 | 11201222121122211 |
4 | 10003131230032 |
5 | 114403020120 |
6 | 10425501034 |
7 | 1454064013 |
oct | 403355416 |
9 | 151877584 |
10 | 68016910 |
11 | 35437125 |
12 | 1a94177a |
13 | 11125cc0 |
14 | 906770a |
15 | 5e8825a |
hex | 40ddb0e |
68016910 has 16 divisors (see below), whose sum is σ = 131848416. Its totient is φ = 25113888.
The previous prime is 68016901. The next prime is 68016917. The reversal of 68016910 is 1961086.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68016917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261474 + ... + 261733.
It is an arithmetic number, because the mean of its divisors is an integer number (8240526).
Almost surely, 268016910 is an apocalyptic number.
68016910 is a deficient number, since it is larger than the sum of its proper divisors (63831506).
68016910 is a wasteful number, since it uses less digits than its factorization.
68016910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523227.
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 68016910 is about 8247.2365068549. The cubic root of 68016910 is about 408.1993411071.
Adding to 68016910 its reverse (1961086), we get a palindrome (69977996).
The spelling of 68016910 in words is "sixty-eight million, sixteen thousand, nine hundred ten".
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