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14387385871 = 47904333851
BaseRepresentation
bin11010110011000111…
…00001011000001111
31101010200101221002101
431121203201120033
5213431132321441
610335351335531
71016350522255
oct153143413017
941120357071
1014387385871
116113338a51
1229563815a7
131483954aa1
149a6b165d5
15593154231
hex3598e160f

14387385871 has 8 divisors (see below), whose sum is σ = 14695559424. Its totient is φ = 14079298200.

The previous prime is 14387385853. The next prime is 14387385877. The reversal of 14387385871 is 17858378341.

14387385871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14387385871 - 25 = 14387385839 is a prime.

It is a super-3 number, since 3×143873858713 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14387385877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408096 + ... + 441946.

It is an arithmetic number, because the mean of its divisors is an integer number (1836944928).

Almost surely, 214387385871 is an apocalyptic number.

14387385871 is a deficient number, since it is larger than the sum of its proper divisors (308173553).

14387385871 is an equidigital number, since it uses as much as digits as its factorization.

14387385871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42941.

The product of its digits is 4515840, while the sum is 55.

The spelling of 14387385871 in words is "fourteen billion, three hundred eighty-seven million, three hundred eighty-five thousand, eight hundred seventy-one".

Divisors: 1 47 9043 33851 425021 1590997 306114593 14387385871