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214424430281 is a prime number
BaseRepresentation
bin1100011110110010110…
…0010010011011001001
3202111110121101122221222
43013230230102123021
512003120123232111
6242301043411425
721330431404415
oct3075454223311
9674417348858
10214424430281
1182a34001166
1235682383b75
13172b2844419
14a541abbd45
15589e9947db
hex31ecb126c9

214424430281 has 2 divisors, whose sum is σ = 214424430282. Its totient is φ = 214424430280.

The previous prime is 214424430271. The next prime is 214424430343. The reversal of 214424430281 is 182034424412.

214424430281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185667053881 + 28757376400 = 430891^2 + 169580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214424430281 is a prime.

It is a super-2 number, since 2×2144244302812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214424430211) 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, 107212215140 + 107212215141.

It is an arithmetic number, because the mean of its divisors is an integer number (107212215141).

Almost surely, 2214424430281 is an apocalyptic number.

It is an amenable number.

214424430281 is a deficient number, since it is larger than the sum of its proper divisors (1).

214424430281 is an equidigital number, since it uses as much as digits as its factorization.

214424430281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 214424430281 its reverse (182034424412), we get a palindrome (396458854693).

The spelling of 214424430281 in words is "two hundred fourteen billion, four hundred twenty-four million, four hundred thirty thousand, two hundred eighty-one".