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64443102050 = 2528191157351
BaseRepresentation
bin111100000001000110…
…111011001101100010
320011100011001202221102
4330001012323031202
52023434413231200
645334343154402
74440650220665
oct740106731542
9204304052842
1064443102050
112536a4a6428
12105a5a45a02
136100101962
1431949cb6dc
151a228526d5
hexf011bb362

64443102050 has 24 divisors (see below), whose sum is σ = 119879565312. Its totient is φ = 25773930000.

The previous prime is 64443102043. The next prime is 64443102077. The reversal of 64443102050 is 5020134446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330875 + ... + 488225.

It is an arithmetic number, because the mean of its divisors is an integer number (4994981888).

Almost surely, 264443102050 is an apocalyptic number.

64443102050 is a deficient number, since it is larger than the sum of its proper divisors (55436463262).

64443102050 is a wasteful number, since it uses less digits than its factorization.

64443102050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165554 (or 165549 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 64443102050 its reverse (5020134446), we get a palindrome (69463236496).

The spelling of 64443102050 in words is "sixty-four billion, four hundred forty-three million, one hundred two thousand, fifty".

Divisors: 1 2 5 10 25 50 8191 16382 40955 81910 157351 204775 314702 409550 786755 1573510 3933775 7867550 1288862041 2577724082 6444310205 12888620410 32221551025 64443102050