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64006058057 = 371729893461
BaseRepresentation
bin111011100111000011…
…101111000001001001
320010012200200122021212
4323213003233001021
52022041022324212
645223131542505
74424062342154
oct734703570111
9203180618255
1064006058057
1125165829847
12104a35baa35
1360606c0146
143152942c9b
1519e92c2e22
hexee70ef049

64006058057 has 4 divisors (see below), whose sum is σ = 65735951556. Its totient is φ = 62276164560.

The previous prime is 64006057993. The next prime is 64006058111. The reversal of 64006058057 is 75085060046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31671185296 + 32334872761 = 177964^2 + 179819^2 .

It is a cyclic number.

It is not a de Polignac number, because 64006058057 - 26 = 64006057993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64006058257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 864946694 + ... + 864946767.

It is an arithmetic number, because the mean of its divisors is an integer number (16433987889).

Almost surely, 264006058057 is an apocalyptic number.

It is an amenable number.

64006058057 is a deficient number, since it is larger than the sum of its proper divisors (1729893499).

64006058057 is a wasteful number, since it uses less digits than its factorization.

64006058057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729893498.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 64006058057 in words is "sixty-four billion, six million, fifty-eight thousand, fifty-seven".

Divisors: 1 37 1729893461 64006058057