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64718069713 = 116787812849
BaseRepresentation
bin111100010001011111…
…110101111111010001
320012001022110120122221
4330101133311333101
52030020311212323
645421524501041
74450526341663
oct742137657721
9205038416587
1064718069713
11254a0732730
1210661b4a781
13614507690b
1431bd326533
151a3ba6955d
hexf117f5fd1

64718069713 has 8 divisors (see below), whose sum is σ = 71655285600. Its totient is φ = 57956479680.

The previous prime is 64718069701. The next prime is 64718069719. The reversal of 64718069713 is 31796081746.

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

It is not a de Polignac number, because 64718069713 - 25 = 64718069681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64718069719) 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 7 ways as a sum of consecutive naturals, for example, 43905688 + ... + 43907161.

It is an arithmetic number, because the mean of its divisors is an integer number (8956910700).

Almost surely, 264718069713 is an apocalyptic number.

It is an amenable number.

64718069713 is a deficient number, since it is larger than the sum of its proper divisors (6937215887).

64718069713 is a wasteful number, since it uses less digits than its factorization.

64718069713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87812927.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 64718069713 in words is "sixty-four billion, seven hundred eighteen million, sixty-nine thousand, seven hundred thirteen".

Divisors: 1 11 67 737 87812849 965941339 5883460883 64718069713