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64365073064 = 238396935351
BaseRepresentation
bin111011111100011101…
…010001001010101000
320011010201020111021222
4323330131101022220
52023304424314224
645322514521212
74436012044145
oct737435211250
9204121214258
1064365073064
112532a451066
1210583896208
1360b9bb1766
1431884b93cc
151a1aa8cb5e
hexefc7512a8

64365073064 has 16 divisors (see below), whose sum is σ = 122138543520. Its totient is φ = 31794794800.

The previous prime is 64365073027. The next prime is 64365073067. The reversal of 64365073064 is 46037056346.

It is not an unprimeable number, because it can be changed into a prime (64365073067) 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, 48467012 + ... + 48468339.

It is an arithmetic number, because the mean of its divisors is an integer number (7633658970).

Almost surely, 264365073064 is an apocalyptic number.

It is an amenable number.

64365073064 is a deficient number, since it is larger than the sum of its proper divisors (57773470456).

64365073064 is a wasteful number, since it uses less digits than its factorization.

64365073064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96935440 (or 96935436 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 64365073064 in words is "sixty-four billion, three hundred sixty-five million, seventy-three thousand, sixty-four".

Divisors: 1 2 4 8 83 166 332 664 96935351 193870702 387741404 775482808 8045634133 16091268266 32182536532 64365073064