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268119493 is a prime number
BaseRepresentation
bin11111111101100…
…10110111000101
3200200111212210121
433332302313011
51022114310433
642334421541
76433656325
oct1776626705
9620455717
10268119493
1112838a164
12759618b1
1343717bb5
1427875285
1518812c2d
hexffb2dc5

268119493 has 2 divisors, whose sum is σ = 268119494. Its totient is φ = 268119492.

The previous prime is 268119451. The next prime is 268119517. The reversal of 268119493 is 394911862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 110817729 = 12542^2 + 10527^2 .

It is a cyclic number.

It is not a de Polignac number, because 268119493 - 217 = 267988421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268119433) 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 as a sum of consecutive naturals, namely, 134059746 + 134059747.

It is an arithmetic number, because the mean of its divisors is an integer number (134059747).

Almost surely, 2268119493 is an apocalyptic number.

It is an amenable number.

268119493 is a deficient number, since it is larger than the sum of its proper divisors (1).

268119493 is an equidigital number, since it uses as much as digits as its factorization.

268119493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 268119493 is about 16374.3547353781. The cubic root of 268119493 is about 644.8263803674.

The spelling of 268119493 in words is "two hundred sixty-eight million, one hundred nineteen thousand, four hundred ninety-three".