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13704521713 = 971091296181
BaseRepresentation
bin11001100001101101…
…00110011111110001
31022101002110211120021
430300312212133301
5211031324143323
610143515243441
7663416340541
oct146066463761
938332424507
1013704521713
1158a2933003
1227a5749581
1313a533525c
1494015d321
1555321905d
hex330da67f1

13704521713 has 8 divisors (see below), whose sum is σ = 13972841960. Its totient is φ = 13438794240.

The previous prime is 13704521683. The next prime is 13704521749. The reversal of 13704521713 is 31712540731.

It can be written as a sum of positive squares in 4 ways, for example, as 172318129 + 13532203584 = 13127^2 + 116328^2 .

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 13704521713 - 25 = 13704521681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13704521773) 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 7 ways as a sum of consecutive naturals, for example, 637518 + ... + 658663.

It is an arithmetic number, because the mean of its divisors is an integer number (1746605245).

Almost surely, 213704521713 is an apocalyptic number.

It is an amenable number.

13704521713 is a deficient number, since it is larger than the sum of its proper divisors (268320247).

13704521713 is a wasteful number, since it uses less digits than its factorization.

13704521713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296387.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 13704521713 in words is "thirteen billion, seven hundred four million, five hundred twenty-one thousand, seven hundred thirteen".

Divisors: 1 97 109 10573 1296181 125729557 141283729 13704521713