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68162011237 is a prime number
BaseRepresentation
bin111111011110110001…
…011100000001100101
320111221022211221021201
4333132301130001211
52104043433324422
651151352242501
74632055351555
oct773661340145
9214838757251
1068162011237
11269a87509a1
12112633a0431
136573716338
143428891165
151b8e0a1727
hexfdec5c065

68162011237 has 2 divisors, whose sum is σ = 68162011238. Its totient is φ = 68162011236.

The previous prime is 68162011121. The next prime is 68162011271. The reversal of 68162011237 is 73211026186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68158067041 + 3944196 = 261071^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 68162011237 - 219 = 68161486949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68162011196 and 68162011205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68162017237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34081005618 + 34081005619.

It is an arithmetic number, because the mean of its divisors is an integer number (34081005619).

Almost surely, 268162011237 is an apocalyptic number.

It is an amenable number.

68162011237 is a deficient number, since it is larger than the sum of its proper divisors (1).

68162011237 is an equidigital number, since it uses as much as digits as its factorization.

68162011237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 68162011237 in words is "sixty-eight billion, one hundred sixty-two million, eleven thousand, two hundred thirty-seven".