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6214201481 is a prime number
BaseRepresentation
bin1011100100110010…
…10011000010001001
3121001002010010212102
411302121103002021
5100211313421411
62504343523145
7306664561325
oct56231230211
917032103772
106214201481
1126a9833604
1212551594b5
137805860c7
1442d44a985
15265849d3b
hex172653089

6214201481 has 2 divisors, whose sum is σ = 6214201482. Its totient is φ = 6214201480.

The previous prime is 6214201453. The next prime is 6214201489. The reversal of 6214201481 is 1841024126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4175227456 + 2038974025 = 64616^2 + 45155^2 .

It is a cyclic number.

It is not a de Polignac number, because 6214201481 - 26 = 6214201417 is a prime.

It is a super-2 number, since 2×62142014812 = 77232600092925186722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6214201489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3107100740 + 3107100741.

It is an arithmetic number, because the mean of its divisors is an integer number (3107100741).

Almost surely, 26214201481 is an apocalyptic number.

It is an amenable number.

6214201481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6214201481 is an equidigital number, since it uses as much as digits as its factorization.

6214201481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 6214201481 is about 78830.2066532874. The cubic root of 6214201481 is about 1838.4921366839.

The spelling of 6214201481 in words is "six billion, two hundred fourteen million, two hundred one thousand, four hundred eighty-one".