Base | Representation |
---|---|
bin | 1000000111101… |
… | …10110100001000 |
3 | 11202011211211011 |
4 | 10003312310020 |
5 | 114414313231 |
6 | 10432013304 |
7 | 1455003022 |
oct | 403666410 |
9 | 152154734 |
10 | 68119816 |
11 | 354a7476 |
12 | 1a991234 |
13 | 11160aab |
14 | 9093012 |
15 | 5ea89b1 |
hex | 40f6d08 |
68119816 has 16 divisors (see below), whose sum is σ = 135238140. Its totient is φ = 32056320.
The previous prime is 68119789. The next prime is 68119817. The reversal of 68119816 is 61891186.
It can be written as a sum of positive squares in 2 ways, for example, as 67404100 + 715716 = 8210^2 + 846^2 .
It is not an unprimeable number, because it can be changed into a prime (68119817) 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 3 ways as a sum of consecutive naturals, for example, 250305 + ... + 250576.
Almost surely, 268119816 is an apocalyptic number.
It is an amenable number.
68119816 is a deficient number, since it is larger than the sum of its proper divisors (67118324).
68119816 is a wasteful number, since it uses less digits than its factorization.
68119816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500904 (or 500900 counting only the distinct ones).
The product of its digits is 20736, while the sum is 40.
The square root of 68119816 is about 8253.4729659701. The cubic root of 68119816 is about 408.4050987381.
The spelling of 68119816 in words is "sixty-eight million, one hundred nineteen thousand, eight hundred sixteen".
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