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14283182821 is a prime number
BaseRepresentation
bin11010100110101100…
…00001001011100101
31100212102022212101011
431103112001023211
5213222443322241
610321150102221
71013644023265
oct152326011345
940772285334
1014283182821
11606a536726
1229274aa971
13146819c18b
14996d4d7a5
15588e1e281
hex3535812e5

14283182821 has 2 divisors, whose sum is σ = 14283182822. Its totient is φ = 14283182820.

The previous prime is 14283182807. The next prime is 14283182831. The reversal of 14283182821 is 12828138241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12748893921 + 1534288900 = 112911^2 + 39170^2 .

It is a cyclic number.

It is not a de Polignac number, because 14283182821 - 211 = 14283180773 is a prime.

It is a super-2 number, since 2×142831828212 (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 (14283182831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7141591410 + 7141591411.

It is an arithmetic number, because the mean of its divisors is an integer number (7141591411).

Almost surely, 214283182821 is an apocalyptic number.

It is an amenable number.

14283182821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14283182821 is an equidigital number, since it uses as much as digits as its factorization.

14283182821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 40.

The spelling of 14283182821 in words is "fourteen billion, two hundred eighty-three million, one hundred eighty-two thousand, eight hundred twenty-one".