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1768067069 is a prime number
BaseRepresentation
bin110100101100010…
…1000111111111101
311120012221010001112
41221120220333331
512110111121234
6451235451405
761546215326
oct15130507775
94505833045
101768067069
11828033a5a
12414156b65
132223bc342
1412ab6344d
15a534bace
hex69628ffd

1768067069 has 2 divisors, whose sum is σ = 1768067070. Its totient is φ = 1768067068.

The previous prime is 1768067047. The next prime is 1768067083. The reversal of 1768067069 is 9607608671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416016900 + 352050169 = 37630^2 + 18763^2 .

It is an emirp because it is prime and its reverse (9607608671) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1768067069 - 28 = 1768066813 is a prime.

It is a super-2 number, since 2×17680670692 = 6252122320964501522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1768067039) 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, 884033534 + 884033535.

It is an arithmetic number, because the mean of its divisors is an integer number (884033535).

Almost surely, 21768067069 is an apocalyptic number.

It is an amenable number.

1768067069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768067069 is an equidigital number, since it uses as much as digits as its factorization.

1768067069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 1768067069 is about 42048.3896124453. The cubic root of 1768067069 is about 1209.2040091823.

The spelling of 1768067069 in words is "one billion, seven hundred sixty-eight million, sixty-seven thousand, sixty-nine".