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66050041 is a prime number
BaseRepresentation
bin1111101111110…
…1011111111001
311121021200121211
43323331133321
5113402100131
610315403121
71431262501
oct373753771
9147250554
1066050041
1134313412
121a1534a1
13108b7985
148ab4a01
155bea5b1
hex3efd7f9

66050041 has 2 divisors, whose sum is σ = 66050042. Its totient is φ = 66050040.

The previous prime is 66050027. The next prime is 66050051. The reversal of 66050041 is 14005066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44622400 + 21427641 = 6680^2 + 4629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66050041 is a prime.

It is a super-2 number, since 2×660500412 = 8725215832203362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66049994 and 66050021.

It is not a weakly prime, because it can be changed into another prime (66050051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33025020 + 33025021.

It is an arithmetic number, because the mean of its divisors is an integer number (33025021).

Almost surely, 266050041 is an apocalyptic number.

It is an amenable number.

66050041 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050041 is an equidigital number, since it uses as much as digits as its factorization.

66050041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 66050041 is about 8127.1176317314. The cubic root of 66050041 is about 404.2261114581.

The spelling of 66050041 in words is "sixty-six million, fifty thousand, forty-one".