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64316061345 = 3511173838619
BaseRepresentation
bin111011111001100010…
…010011011010100001
320011000022000102212010
4323321202103122201
52023204402430340
645314004223133
74434545333634
oct737142233241
9204008012763
1064316061345
1125304815908
121056b39aaa9
1360ac9b1143
143181b9bc1b
151a1660ab80
hexef98936a1

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".

Divisors: 1 3 5 15 1117 3351 5585 16755 3838619 11515857 19193095 57579285 4287737423 12863212269 21438687115 64316061345