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254350230221 is a prime number
BaseRepresentation
bin1110110011100001110…
…1001000001011001101
3220022112002211110010002
43230320131020023031
513131402124331341
6312502532054045
724243015166463
oct3547035101315
9808462743102
10254350230221
119896208a63a
1241365464325
131aca6417509
14c44c492833
156939bc129b
hex3b387482cd

254350230221 has 2 divisors, whose sum is σ = 254350230222. Its totient is φ = 254350230220.

The previous prime is 254350230149. The next prime is 254350230223. The reversal of 254350230221 is 122032053452.

254350230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201789624100 + 52560606121 = 449210^2 + 229261^2 .

It is a cyclic number.

It is not a de Polignac number, because 254350230221 - 218 = 254349968077 is a prime.

It is a super-2 number, since 2×2543502302212 (a number of 24 digits) contains 22 as substring.

Together with 254350230223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254350230223) 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, 127175115110 + 127175115111.

It is an arithmetic number, because the mean of its divisors is an integer number (127175115111).

Almost surely, 2254350230221 is an apocalyptic number.

It is an amenable number.

254350230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

254350230221 is an equidigital number, since it uses as much as digits as its factorization.

254350230221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 254350230221 its reverse (122032053452), we get a palindrome (376382283673).

The spelling of 254350230221 in words is "two hundred fifty-four billion, three hundred fifty million, two hundred thirty thousand, two hundred twenty-one".