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64050550641 = 3271192425037
BaseRepresentation
bin111011101001101101…
…011101011101110001
320010022210102002122100
4323221231131131301
52022133420110031
645231401331013
74425142461150
oct735155353561
9203283362570
1064050550641
1125188958780
12104b6496a69
13606999a80c
143158805597
1519ed160de6
hexee9b5d771

64050550641 has 24 divisors (see below), whose sum is σ = 115346447424. Its totient is φ = 33273012960.

The previous prime is 64050550637. The next prime is 64050550643. The reversal of 64050550641 is 14605505046.

64050550641 is a `hidden beast` number, since 6 + 4 + 0 + 5 + 0 + 5 + 5 + 0 + 641 = 666.

It is not a de Polignac number, because 64050550641 - 22 = 64050550637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64050550596 and 64050550605.

It is not an unprimeable number, because it can be changed into a prime (64050550643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46211826 + ... + 46213211.

It is an arithmetic number, because the mean of its divisors is an integer number (4806101976).

Almost surely, 264050550641 is an apocalyptic number.

It is an amenable number.

64050550641 is a deficient number, since it is larger than the sum of its proper divisors (51295896783).

64050550641 is a wasteful number, since it uses less digits than its factorization.

64050550641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92425061 (or 92425058 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 64050550641 in words is "sixty-four billion, fifty million, five hundred fifty thousand, six hundred forty-one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 92425037 277275111 646975259 831825333 1016675407 1940925777 3050026221 5822777331 7116727849 9150078663 21350183547 64050550641