Base | Representation |
---|---|
bin | 1111100001110… |
… | …1000001011001 |
3 | 11112112222100220 |
4 | 3320131001121 |
5 | 113133134320 |
6 | 10243550253 |
7 | 1420413042 |
oct | 370350131 |
9 | 145488326 |
10 | 65130585 |
11 | 33845633 |
12 | 1998b389 |
13 | 10655310 |
14 | 89158c9 |
15 | 5ab7e40 |
hex | 3e1d059 |
65130585 has 32 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 31953408.
The previous prime is 65130581. The next prime is 65130589. The reversal of 65130585 is 58503156.
65130585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (65130581) and next prime (65130589).
It is not a de Polignac number, because 65130585 - 22 = 65130581 is a prime.
It is not an unprimeable number, because it can be changed into a prime (65130581) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110662 + ... + 111248.
It is an arithmetic number, because the mean of its divisors is an integer number (3519180).
Almost surely, 265130585 is an apocalyptic number.
65130585 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
65130585 is a deficient number, since it is larger than the sum of its proper divisors (47483175).
65130585 is a wasteful number, since it uses less digits than its factorization.
65130585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1177.
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 65130585 is about 8070.3522227967. The cubic root of 65130585 is about 402.3416503507.
The spelling of 65130585 in words is "sixty-five million, one hundred thirty thousand, five hundred eighty-five".
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