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64482241357 = 173793073021
BaseRepresentation
bin111100000011011100…
…001110101101001101
320011102212201020222101
4330003130032231031
52024024423210412
645342302115101
74441634002522
oct740334165515
9204385636871
1064482241357
112538a5a9366
12105b6b7ba91
136108256801
143199c99149
151a25ed4457
hexf0370eb4d

64482241357 has 4 divisors (see below), whose sum is σ = 68275314396. Its totient is φ = 60689168320.

The previous prime is 64482241349. The next prime is 64482241403. The reversal of 64482241357 is 75314228446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75314228446 = 237657114223.

It can be written as a sum of positive squares in 2 ways, for example, as 33330344356 + 31151897001 = 182566^2 + 176499^2 .

It is a cyclic number.

It is not a de Polignac number, because 64482241357 - 23 = 64482241349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64482241157) 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, 1896536494 + ... + 1896536527.

It is an arithmetic number, because the mean of its divisors is an integer number (17068828599).

Almost surely, 264482241357 is an apocalyptic number.

It is an amenable number.

64482241357 is a deficient number, since it is larger than the sum of its proper divisors (3793073039).

64482241357 is a wasteful number, since it uses less digits than its factorization.

64482241357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793073038.

The product of its digits is 1290240, while the sum is 46.

The spelling of 64482241357 in words is "sixty-four billion, four hundred eighty-two million, two hundred forty-one thousand, three hundred fifty-seven".

Divisors: 1 17 3793073021 64482241357