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14005291879 = 311738925981
BaseRepresentation
bin11010000101100011…
…11100101101100111
31100011001102112200001
431002301330231213
5212140323320004
610233422002131
71004031005515
oct150261745547
940131375601
1014005291879
115a37693097
12286a416347
131422742777
1496c0934b5
1556e82b1a4
hex342c7cb67

14005291879 has 8 divisors (see below), whose sum is σ = 14458463360. Its totient is φ = 13552207200.

The previous prime is 14005291877. The next prime is 14005291897. The reversal of 14005291879 is 97819250041.

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 14005291879 - 21 = 14005291877 is a prime.

It is a super-3 number, since 3×140052918793 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005291873) 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, 526069 + ... + 552049.

It is an arithmetic number, because the mean of its divisors is an integer number (1807307920).

Almost surely, 214005291879 is an apocalyptic number.

14005291879 is a deficient number, since it is larger than the sum of its proper divisors (453171481).

14005291879 is a wasteful number, since it uses less digits than its factorization.

14005291879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43401.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 14005291879 in words is "fourteen billion, five million, two hundred ninety-one thousand, eight hundred seventy-nine".

Divisors: 1 31 17389 25981 539059 805411 451783609 14005291879