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13757867648 = 27716394201
BaseRepresentation
bin11001101000000100…
…00110011010000000
31022111210212002102122
430310002012122000
5211134003231043
610153102503412
7664634642210
oct146402063200
938453762378
1013757867648
11591aa59658
1227bb594b68
1313b33c25b5
14947288240
15557c55368
hex334086680

13757867648 has 64 divisors (see below), whose sum is σ = 31516221120. Its totient is φ = 5859993600.

The previous prime is 13757867597. The next prime is 13757867689. The reversal of 13757867648 is 84676875731.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98948 + ... + 193148.

It is an arithmetic number, because the mean of its divisors is an integer number (492440955).

Almost surely, 213757867648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13757867648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758110560).

13757867648 is an abundant number, since it is smaller than the sum of its proper divisors (17758353472).

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

13757867648 is an equidigital number, since it uses as much as digits as its factorization.

13757867648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94385 (or 94373 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 62.

The spelling of 13757867648 in words is "thirteen billion, seven hundred fifty-seven million, eight hundred sixty-seven thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 163 224 326 448 652 896 1141 1304 2282 2608 4564 5216 9128 10432 18256 20864 36512 73024 94201 146048 188402 376804 659407 753608 1318814 1507216 2637628 3014432 5275256 6028864 10550512 12057728 15354763 21101024 30709526 42202048 61419052 84404096 107483341 122838104 214966682 245676208 429933364 491352416 859866728 982704832 1719733456 1965409664 3439466912 6878933824 13757867648