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64310550986 = 2112923206863
BaseRepresentation
bin111011111001001101…
…010010000111001010
320010222220122111001202
4323321031102013022
52023202000112421
645313250144202
74434450443513
oct737115220712
9203886574052
1064310550986
11253016a18a0
1210569582062
1360ab801c86
143181165a0a
151a15dbd10b
hexef93521ca

64310550986 has 8 divisors (see below), whose sum is σ = 105235447104. Its totient is φ = 29232068620.

The previous prime is 64310550977. The next prime is 64310550989. The reversal of 64310550986 is 68905501346.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64310550986.

It is not an unprimeable number, because it can be changed into a prime (64310550989) 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, 1461603410 + ... + 1461603453.

It is an arithmetic number, because the mean of its divisors is an integer number (13154430888).

Almost surely, 264310550986 is an apocalyptic number.

64310550986 is a deficient number, since it is larger than the sum of its proper divisors (40924896118).

64310550986 is a wasteful number, since it uses less digits than its factorization.

64310550986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923206876.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 64310550986 in words is "sixty-four billion, three hundred ten million, five hundred fifty thousand, nine hundred eighty-six".

Divisors: 1 2 11 22 2923206863 5846413726 32155275493 64310550986