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4027132981 is a prime number
BaseRepresentation
bin1111000000001001…
…0010110000110101
3101101122202112220101
43300002102300311
531221421223411
61503335234101
7201540031324
oct36002226065
911348675811
104027132981
111787236683
12944818931
134c2431731
142a2bb80bb
151888348c1
hexf0092c35

4027132981 has 2 divisors, whose sum is σ = 4027132982. Its totient is φ = 4027132980.

The previous prime is 4027132957. The next prime is 4027133017. The reversal of 4027132981 is 1892317204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3465205956 + 561927025 = 58866^2 + 23705^2 .

It is a cyclic number.

It is not a de Polignac number, because 4027132981 - 27 = 4027132853 is a prime.

It is a super-2 number, since 2×40271329812 = 32435600093315892722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4027132981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4027132481) 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, 2013566490 + 2013566491.

It is an arithmetic number, because the mean of its divisors is an integer number (2013566491).

Almost surely, 24027132981 is an apocalyptic number.

It is an amenable number.

4027132981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027132981 is an equidigital number, since it uses as much as digits as its factorization.

4027132981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 4027132981 is about 63459.6957209850. The cubic root of 4027132981 is about 1590.9822103893.

The spelling of 4027132981 in words is "four billion, twenty-seven million, one hundred thirty-two thousand, nine hundred eighty-one".