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20314571711 = 72902081673
BaseRepresentation
bin10010111010110101…
…111100001110111111
31221102202110011111212
4102322311330032333
5313101012243321
613155443435035
71316262003410
oct227265741677
957382404455
1020314571711
118685056445
123b2b385a7b
131bb9908145
14da9dad807
157dd6a755b
hex4bad7c3bf

20314571711 has 4 divisors (see below), whose sum is σ = 23216653392. Its totient is φ = 17412490032.

The previous prime is 20314571647. The next prime is 20314571741. The reversal of 20314571711 is 11717541302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20314571711 - 26 = 20314571647 is a prime.

It is a super-2 number, since 2×203145717112 (a number of 21 digits) contains 22 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 (20314571741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451040830 + ... + 1451040843.

It is an arithmetic number, because the mean of its divisors is an integer number (5804163348).

Almost surely, 220314571711 is an apocalyptic number.

20314571711 is a deficient number, since it is larger than the sum of its proper divisors (2902081681).

20314571711 is an equidigital number, since it uses as much as digits as its factorization.

20314571711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902081680.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 20314571711 in words is "twenty billion, three hundred fourteen million, five hundred seventy-one thousand, seven hundred eleven".

Divisors: 1 7 2902081673 20314571711