Base | Representation |
---|---|
bin | 1111010010001… |
… | …0111101000111 |
3 | 11110121221022211 |
4 | 3310202331013 |
5 | 112402400221 |
6 | 10210004251 |
7 | 1405615603 |
oct | 364427507 |
9 | 143557284 |
10 | 64106311 |
11 | 33206025 |
12 | 19576687 |
13 | 10387039 |
14 | 872a503 |
15 | 59646e1 |
hex | 3d22f47 |
64106311 has 8 divisors (see below), whose sum is σ = 65948240. Its totient is φ = 62270208.
The previous prime is 64106293. The next prime is 64106321. The reversal of 64106311 is 11360146.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64106311 - 27 = 64106183 is a prime.
It is a super-2 number, since 2×641063112 = 8219238220057442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64106321) 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, 30775 + ... + 32791.
It is an arithmetic number, because the mean of its divisors is an integer number (8243530).
Almost surely, 264106311 is an apocalyptic number.
64106311 is a deficient number, since it is larger than the sum of its proper divisors (1841929).
64106311 is a wasteful number, since it uses less digits than its factorization.
64106311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2913.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 64106311 is about 8006.6416805050. The cubic root of 64106311 is about 400.2213587282.
Adding to 64106311 its reverse (11360146), we get a palindrome (75466457).
It can be divided in two parts, 6410 and 6311, that added together give a palindrome (12721).
The spelling of 64106311 in words is "sixty-four million, one hundred six thousand, three hundred eleven".
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