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14924128471 = 72132018353
BaseRepresentation
bin11011110011000110…
…00010000011010111
31102112002101021111221
431321203002003113
5221031034102341
610504523511211
71035555666430
oct157143020327
942462337457
1014924128471
11636931067a
122a86088507
13153ac02b65
14a18114487
155c5328ed1
hex3798c20d7

14924128471 has 4 divisors (see below), whose sum is σ = 17056146832. Its totient is φ = 12792110112.

The previous prime is 14924128441. The next prime is 14924128477. The reversal of 14924128471 is 17482142941.

14924128471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17482142941 = 49873505543.

It is a cyclic number.

It is not a de Polignac number, because 14924128471 - 217 = 14923997399 is a prime.

It is a super-3 number, since 3×149241284713 (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 (14924128477) 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 3 ways as a sum of consecutive naturals, for example, 1066009170 + ... + 1066009183.

It is an arithmetic number, because the mean of its divisors is an integer number (4264036708).

Almost surely, 214924128471 is an apocalyptic number.

14924128471 is a deficient number, since it is larger than the sum of its proper divisors (2132018361).

14924128471 is an equidigital number, since it uses as much as digits as its factorization.

14924128471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132018360.

The product of its digits is 129024, while the sum is 43.

The spelling of 14924128471 in words is "fourteen billion, nine hundred twenty-four million, one hundred twenty-eight thousand, four hundred seventy-one".

Divisors: 1 7 2132018353 14924128471