Base | Representation |
---|---|
bin | 1111100000101… |
… | …0000111001011 |
3 | 11112102001010020 |
4 | 3320022013023 |
5 | 113123200011 |
6 | 10242151523 |
7 | 1416641163 |
oct | 370120713 |
9 | 145361106 |
10 | 65053131 |
11 | 337a2420 |
12 | 199525a3 |
13 | 10628ca0 |
14 | 88d55a3 |
15 | 5aa0006 |
hex | 3e0a1cb |
65053131 has 64 divisors (see below), whose sum is σ = 112250880. Its totient is φ = 32883840.
The previous prime is 65053091. The next prime is 65053139. The reversal of 65053131 is 13135056.
65053131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 65053131 - 211 = 65051083 is a prime.
It is a super-2 number, since 2×650531312 = 8463819705806322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (65053139) 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 63 ways as a sum of consecutive naturals, for example, 187300 + ... + 187646.
It is an arithmetic number, because the mean of its divisors is an integer number (1753920).
Almost surely, 265053131 is an apocalyptic number.
65053131 is a deficient number, since it is larger than the sum of its proper divisors (47197749).
65053131 is a wasteful number, since it uses less digits than its factorization.
65053131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 65053131 is about 8065.5521199729. The cubic root of 65053131 is about 402.1820973979.
Adding to 65053131 its reverse (13135056), we get a palindrome (78188187).
The spelling of 65053131 in words is "sixty-five million, fifty-three thousand, one hundred thirty-one".
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