Base | Representation |
---|---|
bin | 10010111010110101… |
… | …111100001110111111 |
3 | 1221102202110011111212 |
4 | 102322311330032333 |
5 | 313101012243321 |
6 | 13155443435035 |
7 | 1316262003410 |
oct | 227265741677 |
9 | 57382404455 |
10 | 20314571711 |
11 | 8685056445 |
12 | 3b2b385a7b |
13 | 1bb9908145 |
14 | da9dad807 |
15 | 7dd6a755b |
hex | 4bad7c3bf |
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".
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