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14431440043020 = 223571113757331729
BaseRepresentation
bin1101001000000001010011…
…0110110111110000001100
31220002122001212110222210010
43102000110312313300030
53342421042122334040
650405413444313220
73016431352250430
oct322002466676014
956078055428703
1014431440043020
11466438074a710
121750ab00a2810
13808b570b6130
1437c6b20129c0
151a05dca74e80
hexd2014db7c0c

14431440043020 has 384 divisors, whose sum is σ = 54263015331840. Its totient is φ = 2767615672320.

The previous prime is 14431440042973. The next prime is 14431440043099. The reversal of 14431440043020 is 2034004413441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 454818516 + ... + 454850244.

It is an arithmetic number, because the mean of its divisors is an integer number (141309935760).

Almost surely, 214431440043020 is an apocalyptic number.

14431440043020 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 14431440043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27131507665920).

14431440043020 is an abundant number, since it is smaller than the sum of its proper divisors (39831575288820).

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

14431440043020 is a wasteful number, since it uses less digits than its factorization.

14431440043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39345 (or 39343 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 14431440043020 its reverse (2034004413441), we get a palindrome (16465444456461).

The spelling of 14431440043020 in words is "fourteen trillion, four hundred thirty-one billion, four hundred forty million, forty-three thousand, twenty".