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20167112369 is a prime number
BaseRepresentation
bin10010110010000011…
…011011011010110001
31221001110222110022202
4102302003123122301
5312300240043434
613133055112545
71312521424655
oct226203333261
957043873282
1020167112369
11860989a018
123aa9b12755
131b951b87b1
14d94586a65
157d077aa7e
hex4b20db6b1

20167112369 has 2 divisors, whose sum is σ = 20167112370. Its totient is φ = 20167112368.

The previous prime is 20167112353. The next prime is 20167112377. The reversal of 20167112369 is 96321176102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19631652769 + 535459600 = 140113^2 + 23140^2 .

It is a cyclic number.

It is not a de Polignac number, because 20167112369 - 24 = 20167112353 is a prime.

It is a super-2 number, since 2×201671123692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20167111369) 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, 10083556184 + 10083556185.

It is an arithmetic number, because the mean of its divisors is an integer number (10083556185).

Almost surely, 220167112369 is an apocalyptic number.

It is an amenable number.

20167112369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167112369 is an equidigital number, since it uses as much as digits as its factorization.

20167112369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 20167112369 in words is "twenty billion, one hundred sixty-seven million, one hundred twelve thousand, three hundred sixty-nine".