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20282712851 is a prime number
BaseRepresentation
bin10010111000111100…
…011010001100010011
31221100112111120101002
4102320330122030103
5313014333302401
613152344532215
71315424133422
oct227074321423
957315446332
1020282712851
118669076405
123b2078106b
131bb313204b
14da5a792b9
157da9b2a6b
hex4b8f1a313

20282712851 has 2 divisors, whose sum is σ = 20282712852. Its totient is φ = 20282712850.

The previous prime is 20282712797. The next prime is 20282712883. The reversal of 20282712851 is 15821728202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20282712851 - 226 = 20215603987 is a prime.

It is a super-2 number, since 2×202827128512 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20282712251) 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 as a sum of consecutive naturals, namely, 10141356425 + 10141356426.

It is an arithmetic number, because the mean of its divisors is an integer number (10141356426).

Almost surely, 220282712851 is an apocalyptic number.

20282712851 is a deficient number, since it is larger than the sum of its proper divisors (1).

20282712851 is an equidigital number, since it uses as much as digits as its factorization.

20282712851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 20282712851 in words is "twenty billion, two hundred eighty-two million, seven hundred twelve thousand, eight hundred fifty-one".