Search a number
-
+
11968069 is a prime number
BaseRepresentation
bin101101101001…
…111001000101
3211112001002211
4231221321011
511030434234
61104303421
7203504221
oct55517105
924461084
1011968069
116834873
124011b71
1326305c9
141837781
1510b6164
hexb69e45

11968069 has 2 divisors, whose sum is σ = 11968070. Its totient is φ = 11968068.

The previous prime is 11968067. The next prime is 11968129. The reversal of 11968069 is 96086911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 148225 = 3438^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 11968069 - 21 = 11968067 is a prime.

It is a super-2 number, since 2×119680692 = 286469351177522, which contains 22 as substring.

Together with 11968067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11968063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984034 + 5984035.

It is an arithmetic number, because the mean of its divisors is an integer number (5984035).

Almost surely, 211968069 is an apocalyptic number.

It is an amenable number.

11968069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11968069 is an equidigital number, since it uses as much as digits as its factorization.

11968069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 11968069 is about 3459.4897022538. The cubic root of 11968069 is about 228.7396021830.

The spelling of 11968069 in words is "eleven million, nine hundred sixty-eight thousand, sixty-nine".