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14139647999 = 97145769567
BaseRepresentation
bin11010010101100100…
…11110011111111111
31100111102020112121122
431022302132133333
5212424222213444
610255021421155
71010252011361
oct151262363777
940442215548
1014139647999
115aa650a904
1228a740a7bb
131444524c29
14981c68d31
1557b51a4ee
hex34ac9e7ff

14139647999 has 4 divisors (see below), whose sum is σ = 14285417664. Its totient is φ = 13993878336.

The previous prime is 14139647947. The next prime is 14139648037. The reversal of 14139647999 is 99974693141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14139647999 - 216 = 14139582463 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 (14139647909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72884687 + ... + 72884880.

It is an arithmetic number, because the mean of its divisors is an integer number (3571354416).

Almost surely, 214139647999 is an apocalyptic number.

14139647999 is a deficient number, since it is larger than the sum of its proper divisors (145769665).

14139647999 is an equidigital number, since it uses as much as digits as its factorization.

14139647999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145769664.

The product of its digits is 13226976, while the sum is 62.

The spelling of 14139647999 in words is "fourteen billion, one hundred thirty-nine million, six hundred forty-seven thousand, nine hundred ninety-nine".

Divisors: 1 97 145769567 14139647999