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6455142229 is a prime number
BaseRepresentation
bin1100000001100000…
…11010011101010101
3121122212111012102211
412000300122131111
5101210004022404
62544312033421
7315651542434
oct60060323525
917585435384
106455142229
112812839998
121301992871
137bb4761b3
1445344911b
1527ba8eb04
hex180c1a755

6455142229 has 2 divisors, whose sum is σ = 6455142230. Its totient is φ = 6455142228.

The previous prime is 6455142227. The next prime is 6455142247. The reversal of 6455142229 is 9222415546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6327407025 + 127735204 = 79545^2 + 11302^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455142229 - 21 = 6455142227 is a prime.

It is a super-2 number, since 2×64551422292 = 83337722393238176882, which contains 22 as substring.

Together with 6455142227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6455142191 and 6455142200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455142227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227571114 + 3227571115.

It is an arithmetic number, because the mean of its divisors is an integer number (3227571115).

Almost surely, 26455142229 is an apocalyptic number.

It is an amenable number.

6455142229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455142229 is an equidigital number, since it uses as much as digits as its factorization.

6455142229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 6455142229 is about 80343.8997622097. The cubic root of 6455142229 is about 1861.9525328987.

The spelling of 6455142229 in words is "six billion, four hundred fifty-five million, one hundred forty-two thousand, two hundred twenty-nine".