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3341385781 is a prime number
BaseRepresentation
bin1100011100101001…
…1000000000110101
322121212101222120221
43013022120000311
523320343321111
61311321254341
7145542211336
oct30712300065
98555358527
103341385781
111465141658
127930343b1
13413342866
14239ab028d
1514852a371
hexc7298035

3341385781 has 2 divisors, whose sum is σ = 3341385782. Its totient is φ = 3341385780.

The previous prime is 3341385703. The next prime is 3341385787. The reversal of 3341385781 is 1875831433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211820900 + 1129564881 = 47030^2 + 33609^2 .

It is a cyclic number.

It is not a de Polignac number, because 3341385781 - 27 = 3341385653 is a prime.

It is a super-2 number, since 2×33413857812 = 22329717874937959922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3341385787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670692890 + 1670692891.

It is an arithmetic number, because the mean of its divisors is an integer number (1670692891).

Almost surely, 23341385781 is an apocalyptic number.

It is an amenable number.

3341385781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3341385781 is an equidigital number, since it uses as much as digits as its factorization.

3341385781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 3341385781 is about 57804.7210961181. The cubic root of 3341385781 is about 1495.0034907805.

The spelling of 3341385781 in words is "three billion, three hundred forty-one million, three hundred eighty-five thousand, seven hundred eighty-one".