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64084448512 = 28725108773
BaseRepresentation
bin111011101011101110…
…110001010100000000
320010102011012021210001
4323223232301110000
52022221104323022
645235012045344
74426033552600
oct735356612400
9203364167701
1064084448512
11251a6000747
1210505903854
136073a08a26
14315d10ac00
151a01109b27
hexeebbb1500

64084448512 has 54 divisors (see below), whose sum is σ = 148803260298. Its totient is φ = 27464758272.

The previous prime is 64084448507. The next prime is 64084448513. The reversal of 64084448512 is 21584448046.

64084448512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41459475456 + 22624973056 = 203616^2 + 150416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64084448513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2541843 + ... + 2566930.

Almost surely, 264084448512 is an apocalyptic number.

It is an amenable number.

64084448512 is an abundant number, since it is smaller than the sum of its proper divisors (84718811786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64084448512 is an equidigital number, since it uses as much as digits as its factorization.

64084448512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108803 (or 5108782 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 64084448512 in words is "sixty-four billion, eighty-four million, four hundred forty-eight thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 12544 5108773 10217546 20435092 35761411 40870184 71522822 81740368 143045644 163480736 250329877 286091288 326961472 500659754 572182576 653922944 1001319508 1144365152 1307845888 2002639016 2288730304 4005278032 4577460608 8010556064 9154921216 16021112128 32042224256 64084448512