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68892000053 is a prime number
BaseRepresentation
bin100000000101001001…
…0000111111100110101
320120211012110012200112
41000022102013330311
52112042323000203
651352030352405
74656131224052
oct1001222077465
9216735405615
1068892000053
1127242813338
121142795b705
13665ba25596
1434977d4029
151bd31e96d8
hex100a487f35

68892000053 has 2 divisors, whose sum is σ = 68892000054. Its totient is φ = 68892000052.

The previous prime is 68892000043. The next prime is 68892000071. The reversal of 68892000053 is 35000029886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60882108049 + 8009892004 = 246743^2 + 89498^2 .

It is a cyclic number.

It is not a de Polignac number, because 68892000053 - 212 = 68891995957 is a prime.

It is a super-2 number, since 2×688920000532 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68892000043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446000026 + 34446000027.

It is an arithmetic number, because the mean of its divisors is an integer number (34446000027).

Almost surely, 268892000053 is an apocalyptic number.

It is an amenable number.

68892000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68892000053 is an equidigital number, since it uses as much as digits as its factorization.

68892000053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 68892000053 in words is "sixty-eight billion, eight hundred ninety-two million, fifty-three", and thus it is an aban number.