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12869282269 is a prime number
BaseRepresentation
bin10111111110001000…
…11010100111011101
31020012212211021110001
423333010122213131
5202324014013034
65525001214301
7633625044244
oct137704324735
936185737401
1012869282269
115504413278
1225b1a91391
1312a129462c
148a125d95b
15504c30a14
hex2ff11a9dd

12869282269 has 2 divisors, whose sum is σ = 12869282270. Its totient is φ = 12869282268.

The previous prime is 12869282233. The next prime is 12869282303. The reversal of 12869282269 is 96228296821.

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., 8618894244 + 4250388025 = 92838^2 + 65195^2 .

It is an emirp because it is prime and its reverse (96228296821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12869282269 - 221 = 12867185117 is a prime.

It is a super-2 number, since 2×128692822692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12869283269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434641134 + 6434641135.

It is an arithmetic number, because the mean of its divisors is an integer number (6434641135).

Almost surely, 212869282269 is an apocalyptic number.

It is an amenable number.

12869282269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869282269 is an equidigital number, since it uses as much as digits as its factorization.

12869282269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 55.

The spelling of 12869282269 in words is "twelve billion, eight hundred sixty-nine million, two hundred eighty-two thousand, two hundred sixty-nine".