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65059139813 is a prime number
BaseRepresentation
bin111100100101110100…
…111011000011100101
320012221002020201212212
4330211310323003211
52031220114433223
645515431053205
74462140364313
oct744564730345
9205832221785
1065059139813
1125656208748
1210738211205
13619a924345
14321274b0b3
151a5b98c278
hexf25d3b0e5

65059139813 has 2 divisors, whose sum is σ = 65059139814. Its totient is φ = 65059139812.

The previous prime is 65059139797. The next prime is 65059139863. The reversal of 65059139813 is 31893195056.

It is an a-pointer prime, because the next prime (65059139863) can be obtained adding 65059139813 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33181536964 + 31877602849 = 182158^2 + 178543^2 .

It is a cyclic number.

It is not a de Polignac number, because 65059139813 - 24 = 65059139797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65059139863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32529569906 + 32529569907.

It is an arithmetic number, because the mean of its divisors is an integer number (32529569907).

Almost surely, 265059139813 is an apocalyptic number.

It is an amenable number.

65059139813 is a deficient number, since it is larger than the sum of its proper divisors (1).

65059139813 is an equidigital number, since it uses as much as digits as its factorization.

65059139813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 65059139813 in words is "sixty-five billion, fifty-nine million, one hundred thirty-nine thousand, eight hundred thirteen".