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64006000141 = 194573289613
BaseRepresentation
bin111011100111000011…
…100000111000001101
320010012200120200211211
4323213003200320031
52022041014001031
645223130414421
74424062011256
oct734703407015
9203180520754
1064006000141
112516579a286
12104a3591411
13606069c985
143152929b2d
1519e92b0bb1
hexee70e0e0d

64006000141 has 4 divisors (see below), whose sum is σ = 64009309212. Its totient is φ = 64002691072.

The previous prime is 64006000139. The next prime is 64006000159. The reversal of 64006000141 is 14100060046.

64006000141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14100060046 = 27050030023.

It can be written as a sum of positive squares in 2 ways, for example, as 18156484516 + 45849515625 = 134746^2 + 214125^2 .

It is a cyclic number.

It is not a de Polignac number, because 64006000141 - 21 = 64006000139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64006001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625350 + ... + 1664263.

It is an arithmetic number, because the mean of its divisors is an integer number (16002327303).

Almost surely, 264006000141 is an apocalyptic number.

64006000141 is the 160008-th centered pentagonal number.

It is an amenable number.

64006000141 is a deficient number, since it is larger than the sum of its proper divisors (3309071).

64006000141 is a wasteful number, since it uses less digits than its factorization.

64006000141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309070.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 64006000141 its reverse (14100060046), we get a palindrome (78106060187).

The spelling of 64006000141 in words is "sixty-four billion, six million, one hundred forty-one", and thus it is an aban number.

Divisors: 1 19457 3289613 64006000141