Base | Representation |
---|---|
bin | 1111100000000… |
… | …0001011000001 |
3 | 11112022222021022 |
4 | 3320000023001 |
5 | 113120344132 |
6 | 10241235225 |
7 | 1416411401 |
oct | 370001301 |
9 | 145288238 |
10 | 65012417 |
11 | 33774878 |
12 | 19932b15 |
13 | 106135b2 |
14 | 88c4801 |
15 | 5a92e12 |
hex | 3e002c1 |
65012417 has 4 divisors (see below), whose sum is σ = 65032020. Its totient is φ = 64992816.
The previous prime is 65012411. The next prime is 65012419. The reversal of 65012417 is 71421056.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34586161 + 30426256 = 5881^2 + 5516^2 .
It is a cyclic number.
It is not a de Polignac number, because 65012417 - 28 = 65012161 is a prime.
It is a super-2 number, since 2×650124172 = 8453228728363778, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65012411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458 + ... + 11915.
It is an arithmetic number, because the mean of its divisors is an integer number (16258005).
Almost surely, 265012417 is an apocalyptic number.
It is an amenable number.
65012417 is a deficient number, since it is larger than the sum of its proper divisors (19603).
65012417 is a wasteful number, since it uses less digits than its factorization.
65012417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19602.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 65012417 is about 8063.0277811750. The cubic root of 65012417 is about 402.0981769733.
The spelling of 65012417 in words is "sixty-five million, twelve thousand, four hundred seventeen".
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