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4556272381 is a prime number
BaseRepresentation
bin1000011111001001…
…10011001011111101
3102202112102121200221
410033210303023331
533312401204011
62032040421341
7220623450643
oct41744631375
912675377627
104556272381
111a28995971
12a71a77851
13577c49b7b
14313197193
151ba006971
hex10f9332fd

4556272381 has 2 divisors, whose sum is σ = 4556272382. Its totient is φ = 4556272380.

The previous prime is 4556272379. The next prime is 4556272417. The reversal of 4556272381 is 1832726554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3370847481 + 1185424900 = 58059^2 + 34430^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556272381 - 21 = 4556272379 is a prime.

It is a super-2 number, since 2×45562723812 = 41519236019726818322, which contains 22 as substring.

Together with 4556272379, 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 (4556272081) 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, 2278136190 + 2278136191.

It is an arithmetic number, because the mean of its divisors is an integer number (2278136191).

Almost surely, 24556272381 is an apocalyptic number.

It is an amenable number.

4556272381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556272381 is an equidigital number, since it uses as much as digits as its factorization.

4556272381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 4556272381 is about 67500.1657849816. The cubic root of 4556272381 is about 1657.8168888630.

The spelling of 4556272381 in words is "four billion, five hundred fifty-six million, two hundred seventy-two thousand, three hundred eighty-one".