Base | Representation |
---|---|
bin | 1111100000110… |
… | …1000001101001 |
3 | 11112102122111020 |
4 | 3320031001221 |
5 | 113124040230 |
6 | 10242323053 |
7 | 1420021032 |
oct | 370150151 |
9 | 145378436 |
10 | 65065065 |
11 | 3380038a |
12 | 19959489 |
13 | 10631550 |
14 | 88d9a89 |
15 | 5aa3810 |
hex | 3e0d069 |
65065065 has 16 divisors (see below), whose sum is σ = 112112448. Its totient is φ = 32031936.
The previous prime is 65065031. The next prime is 65065081. The reversal of 65065065 is 56056056.
It is not a de Polignac number, because 65065065 - 218 = 64802921 is a prime.
65065065 is a modest number, since divided by 65065 gives 65 as remainder.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166639 + ... + 167028.
It is an arithmetic number, because the mean of its divisors is an integer number (7007028).
Almost surely, 265065065 is an apocalyptic number.
65065065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
65065065 is a deficient number, since it is larger than the sum of its proper divisors (47047383).
65065065 is a wasteful number, since it uses less digits than its factorization.
65065065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333688.
The product of its (nonzero) digits is 27000, while the sum is 33.
The square root of 65065065 is about 8066.2918990079. The cubic root of 65065065 is about 402.2066893358.
Adding to 65065065 its reverse (56056056), we get a palindrome (121121121).
Subtracting from 65065065 its reverse (56056056), we obtain a palindrome (9009009).
The spelling of 65065065 in words is "sixty-five million, sixty-five thousand, sixty-five".
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