Base | Representation |
---|---|
bin | 1111100001101… |
… | …0100111001001 |
3 | 11112112110211021 |
4 | 3320122213021 |
5 | 113132330323 |
6 | 10243432441 |
7 | 1420342210 |
oct | 370324711 |
9 | 145473737 |
10 | 65120713 |
11 | 33839179 |
12 | 19985721 |
13 | 10650988 |
14 | 8912077 |
15 | 5ab505d |
hex | 3e1a9c9 |
65120713 has 8 divisors (see below), whose sum is σ = 74917760. Its totient is φ = 55447200.
The previous prime is 65120707. The next prime is 65120743. The reversal of 65120713 is 31702156.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-65120713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65120743) 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, 29748 + ... + 31861.
It is an arithmetic number, because the mean of its divisors is an integer number (9364720).
Almost surely, 265120713 is an apocalyptic number.
It is an amenable number.
65120713 is a deficient number, since it is larger than the sum of its proper divisors (9797047).
65120713 is a wasteful number, since it uses less digits than its factorization.
65120713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61767.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 65120713 is about 8069.7405782342. The cubic root of 65120713 is about 402.3213213585.
Adding to 65120713 its reverse (31702156), we get a palindrome (96822869).
The spelling of 65120713 in words is "sixty-five million, one hundred twenty thousand, seven hundred thirteen".
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