Search a number
-
+
4487112881 is a prime number
BaseRepresentation
bin1000010110111001…
…11110100010110001
3102120201021221200222
410023130332202301
533142200103011
62021130222425
7216123554516
oct41334764261
912521257628
104487112881
1119a2949359
12a52884a15
13566813aa4
14307d1330d
151b3de4ddb
hex10b73e8b1

4487112881 has 2 divisors, whose sum is σ = 4487112882. Its totient is φ = 4487112880.

The previous prime is 4487112779. The next prime is 4487112907. The reversal of 4487112881 is 1882117844.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3026650225 + 1460462656 = 55015^2 + 38216^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487112881 - 218 = 4486850737 is a prime.

It is a super-2 number, since 2×44871128812 = 40268364013672240322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4487114881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243556440 + 2243556441.

It is an arithmetic number, because the mean of its divisors is an integer number (2243556441).

Almost surely, 24487112881 is an apocalyptic number.

It is an amenable number.

4487112881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487112881 is an equidigital number, since it uses as much as digits as its factorization.

4487112881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114688, while the sum is 44.

The square root of 4487112881 is about 66985.9155420003. The cubic root of 4487112881 is about 1649.3861053862.

The spelling of 4487112881 in words is "four billion, four hundred eighty-seven million, one hundred twelve thousand, eight hundred eighty-one".