Base | Representation |
---|---|
bin | 1000001100011… |
… | …11101100011101 |
3 | 11210100122210122 |
4 | 10012033230131 |
5 | 120044333023 |
6 | 10453244325 |
7 | 1463221460 |
oct | 406175435 |
9 | 153318718 |
10 | 68746013 |
11 | 35894996 |
12 | 1b0336a5 |
13 | 1131cb1b |
14 | 91b72d7 |
15 | 607e2c8 |
hex | 418fb1d |
68746013 has 8 divisors (see below), whose sum is σ = 78668928. Its totient is φ = 58848624.
The previous prime is 68746001. The next prime is 68746019. The reversal of 68746013 is 31064786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68746013 - 28 = 68745757 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68746019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 11727.
It is an arithmetic number, because the mean of its divisors is an integer number (9833616).
Almost surely, 268746013 is an apocalyptic number.
It is an amenable number.
68746013 is a deficient number, since it is larger than the sum of its proper divisors (9922915).
68746013 is a wasteful number, since it uses less digits than its factorization.
68746013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12763.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 68746013 is about 8291.3215472565. The cubic root of 68746013 is about 409.6527160347.
The spelling of 68746013 in words is "sixty-eight million, seven hundred forty-six thousand, thirteen".
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