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2068811317 is a prime number
BaseRepresentation
bin111101101001111…
…1000111000110101
312100011211111121101
41323103320320311
513214103430232
6541141450101
7102160414606
oct17323707065
95304744541
102068811317
11971876621
12498a10931
1326c7bab11
14158a8bdad
15c19561e7
hex7b4f8e35

2068811317 has 2 divisors, whose sum is σ = 2068811318. Its totient is φ = 2068811316.

The previous prime is 2068811299. The next prime is 2068811347. The reversal of 2068811317 is 7131188602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069682436 + 999128881 = 32706^2 + 31609^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068811317 - 27 = 2068811189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068811347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034405658 + 1034405659.

It is an arithmetic number, because the mean of its divisors is an integer number (1034405659).

Almost surely, 22068811317 is an apocalyptic number.

It is an amenable number.

2068811317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068811317 is an equidigital number, since it uses as much as digits as its factorization.

2068811317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 2068811317 is about 45484.1875490813. The cubic root of 2068811317 is about 1274.2079031399.

Adding to 2068811317 its reverse (7131188602), we get a palindrome (9199999919).

The spelling of 2068811317 in words is "two billion, sixty-eight million, eight hundred eleven thousand, three hundred seventeen".