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20014255455 = 351334283697
BaseRepresentation
bin10010101000111100…
…010100110101011111
31220122211100112001120
4102220330110311133
5311442122133310
613105554542023
71305654235665
oct225074246537
956584315046
1020014255455
118540586397
123a66897913
131b6c62940c
14d7c156c35
157c2134b70
hex4a8f14d5f

20014255455 has 8 divisors (see below), whose sum is σ = 32022808752. Its totient is φ = 10674269568.

The previous prime is 20014255453. The next prime is 20014255571. The reversal of 20014255455 is 55455241002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20014255455 - 21 = 20014255453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014255453) 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, 667141834 + ... + 667141863.

It is an arithmetic number, because the mean of its divisors is an integer number (4002851094).

Almost surely, 220014255455 is an apocalyptic number.

20014255455 is a deficient number, since it is larger than the sum of its proper divisors (12008553297).

20014255455 is a wasteful number, since it uses less digits than its factorization.

20014255455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334283705.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 20014255455 its reverse (55455241002), we get a palindrome (75469496457).

The spelling of 20014255455 in words is "twenty billion, fourteen million, two hundred fifty-five thousand, four hundred fifty-five".

Divisors: 1 3 5 15 1334283697 4002851091 6671418485 20014255455