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14279399680 = 285721383211
BaseRepresentation
bin11010100110001111…
…00101100100000000
31100212011012122212211
431103013211210000
5213221011242210
610320533031504
71013566615600
oct152307454400
940764178784
1014279399680
116068392367
122926185594
131467476230
14996646c00
1558892338a
hex3531e5900

14279399680 has 432 divisors, whose sum is σ = 43570263744. Its totient is φ = 4443586560.

The previous prime is 14279399647. The next prime is 14279399683. The reversal of 14279399680 is 8699397241.

It is not an unprimeable number, because it can be changed into a prime (14279399683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67674775 + ... + 67674985.

It is an arithmetic number, because the mean of its divisors is an integer number (100857092).

Almost surely, 214279399680 is an apocalyptic number.

14279399680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14279399680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21785131872).

14279399680 is an abundant number, since it is smaller than the sum of its proper divisors (29290864064).

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

14279399680 is a wasteful number, since it uses less digits than its factorization.

14279399680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 14279399680 in words is "fourteen billion, two hundred seventy-nine million, three hundred ninety-nine thousand, six hundred eighty".