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64488146699 = 1311300737847
BaseRepresentation
bin111100000011110010…
…110000011100001011
320011110021211021120202
4330003302300130023
52024032431143244
645343032442415
74442035126334
oct740362603413
9204407737522
1064488146699
1125392972109
12105b8b4940b
1361095436b2
14319a99528b
151a2679e04e
hexf03cb070b

64488146699 has 8 divisors (see below), whose sum is σ = 64987135488. Its totient is φ = 63989259880.

The previous prime is 64488146693. The next prime is 64488146729. The reversal of 64488146699 is 99664188446.

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

It is a cyclic number.

It is not a de Polignac number, because 64488146699 - 24 = 64488146683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64488146693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1684994 + ... + 1722840.

It is an arithmetic number, because the mean of its divisors is an integer number (8123391936).

Almost surely, 264488146699 is an apocalyptic number.

64488146699 is a deficient number, since it is larger than the sum of its proper divisors (498988789).

64488146699 is a wasteful number, since it uses less digits than its factorization.

64488146699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50985.

The product of its digits is 71663616, while the sum is 65.

The spelling of 64488146699 in words is "sixty-four billion, four hundred eighty-eight million, one hundred forty-six thousand, six hundred ninety-nine".

Divisors: 1 131 13007 37847 1703917 4957957 492275929 64488146699