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11881027 is a prime number
BaseRepresentation
bin101101010100…
…101001000011
3211100121201001
4231110221003
511020143102
61102352431
7202662364
oct55245103
924317631
1011881027
116785434
123b8b717
1325ccac2
141813b6b
15109a487
hexb54a43

11881027 has 2 divisors, whose sum is σ = 11881028. Its totient is φ = 11881026.

The previous prime is 11881013. The next prime is 11881049. The reversal of 11881027 is 72018811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11881027 - 27 = 11880899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11880986 and 11881004.

It is not a weakly prime, because it can be changed into another prime (11881057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940513 + 5940514.

It is an arithmetic number, because the mean of its divisors is an integer number (5940514).

Almost surely, 211881027 is an apocalyptic number.

11881027 is a deficient number, since it is larger than the sum of its proper divisors (1).

11881027 is an equidigital number, since it uses as much as digits as its factorization.

11881027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 11881027 is about 3446.8865661637. The cubic root of 11881027 is about 228.1837225946.

Adding to 11881027 its reverse (72018811), we get a palindrome (83899838).

The spelling of 11881027 in words is "eleven million, eight hundred eighty-one thousand, twenty-seven".