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65061581141 is a prime number
BaseRepresentation
bin111100100101111110…
…001111000101010101
320012221020211202202102
4330211332033011111
52031221231044031
645515555251445
74462200213014
oct744576170525
9205836752672
1065061581141
1125657625977
1210738ba9b85
13619b29a60b
143212bc4a7b
151a5bcc07cb
hexf25f8f155

65061581141 has 2 divisors, whose sum is σ = 65061581142. Its totient is φ = 65061581140.

The previous prime is 65061581083. The next prime is 65061581183. The reversal of 65061581141 is 14118516056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64999502500 + 62078641 = 254950^2 + 7879^2 .

It is a cyclic number.

It is not a de Polignac number, because 65061581141 - 26 = 65061581077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65061581095 and 65061581104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65061581191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32530790570 + 32530790571.

It is an arithmetic number, because the mean of its divisors is an integer number (32530790571).

Almost surely, 265061581141 is an apocalyptic number.

It is an amenable number.

65061581141 is a deficient number, since it is larger than the sum of its proper divisors (1).

65061581141 is an equidigital number, since it uses as much as digits as its factorization.

65061581141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 65061581141 in words is "sixty-five billion, sixty-one million, five hundred eighty-one thousand, one hundred forty-one".