Base | Representation |
---|---|
bin | 1000000110111… |
… | …00110000011010 |
3 | 11201222102102001 |
4 | 10003130300122 |
5 | 114402404312 |
6 | 10425431214 |
7 | 1454046604 |
oct | 403346032 |
9 | 151872361 |
10 | 68013082 |
11 | 35434265 |
12 | 1a93b50a |
13 | 11124337 |
14 | 9066174 |
15 | 5e87057 |
hex | 40dcc1a |
68013082 has 8 divisors (see below), whose sum is σ = 102131316. Its totient is φ = 33969312.
The previous prime is 68013079. The next prime is 68013083. The reversal of 68013082 is 28031086.
It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 22572001 = 6741^2 + 4751^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 68013082.
It is not an unprimeable number, because it can be changed into a prime (68013083) 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, 16273 + ... + 20020.
Almost surely, 268013082 is an apocalyptic number.
68013082 is a deficient number, since it is larger than the sum of its proper divisors (34118234).
68013082 is a wasteful number, since it uses less digits than its factorization.
68013082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37232.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 68013082 is about 8247.0044258506. The cubic root of 68013082 is about 408.1916831271.
The spelling of 68013082 in words is "sixty-eight million, thirteen thousand, eighty-two".
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