Base | Representation |
---|---|
bin | 1111100000111… |
… | …0001110111101 |
3 | 11112102220021111 |
4 | 3320032032331 |
5 | 113124220023 |
6 | 10242402021 |
7 | 1420041331 |
oct | 370161675 |
9 | 145386244 |
10 | 65070013 |
11 | 33804078 |
12 | 19960311 |
13 | 10633888 |
14 | 88db7c1 |
15 | 5aa500d |
hex | 3e0e3bd |
65070013 has 8 divisors (see below), whose sum is σ = 69735168. Its totient is φ = 60557904.
The previous prime is 65070007. The next prime is 65070029. The reversal of 65070013 is 31007056.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-65070013 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 (65070053) 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, 37381 + ... + 39082.
It is an arithmetic number, because the mean of its divisors is an integer number (8716896).
Almost surely, 265070013 is an apocalyptic number.
It is an amenable number.
65070013 is a deficient number, since it is larger than the sum of its proper divisors (4665155).
65070013 is a wasteful number, since it uses less digits than its factorization.
65070013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76523.
The product of its (nonzero) digits is 630, while the sum is 22.
The square root of 65070013 is about 8066.5986016412. The cubic root of 65070013 is about 402.2168846086.
Adding to 65070013 its reverse (31007056), we get a palindrome (96077069).
The spelling of 65070013 in words is "sixty-five million, seventy thousand, thirteen".
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