Base | Representation |
---|---|
bin | 111011111001100010… |
… | …010011011010100001 |
3 | 20011000022000102212010 |
4 | 323321202103122201 |
5 | 2023204402430340 |
6 | 45314004223133 |
7 | 4434545333634 |
oct | 737142233241 |
9 | 204008012763 |
10 | 64316061345 |
11 | 25304815908 |
12 | 1056b39aaa9 |
13 | 60ac9b1143 |
14 | 3181b9bc1b |
15 | 1a1660ab80 |
hex | ef98936a1 |
64316061345 has 16 divisors (see below), whose sum is σ = 102997851840. Its totient is φ = 34271181504.
The previous prime is 64316061289. The next prime is 64316061353. The reversal of 64316061345 is 54316061346.
It is not a de Polignac number, because 64316061345 - 212 = 64316057249 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902555 + ... + 1936064.
It is an arithmetic number, because the mean of its divisors is an integer number (6437365740).
Almost surely, 264316061345 is an apocalyptic number.
It is an amenable number.
64316061345 is a deficient number, since it is larger than the sum of its proper divisors (38681790495).
64316061345 is a wasteful number, since it uses less digits than its factorization.
64316061345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3839744.
The product of its (nonzero) digits is 155520, while the sum is 39.
Subtracting from 64316061345 its reverse (54316061346), we obtain a palindrome (9999999999).
The spelling of 64316061345 in words is "sixty-four billion, three hundred sixteen million, sixty-one thousand, three hundred forty-five".
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