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28554447041 is a prime number
BaseRepresentation
bin11010100101111110…
…100100100011000001
32201201000020012111122
4122211332210203001
5431434414301131
621041232522025
72030414536511
oct324576444301
981630205448
1028554447041
111112327176a
12564a9b0315
132900a57413
14154c479841
15b21c86d7b
hex6a5fa48c1

28554447041 has 2 divisors, whose sum is σ = 28554447042. Its totient is φ = 28554447040.

The previous prime is 28554447017. The next prime is 28554447043. The reversal of 28554447041 is 14074445582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17159952016 + 11394495025 = 130996^2 + 106745^2 .

It is a cyclic number.

It is not a de Polignac number, because 28554447041 - 210 = 28554446017 is a prime.

Together with 28554447043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28554446983 and 28554447001.

It is not a weakly prime, because it can be changed into another prime (28554447043) 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, 14277223520 + 14277223521.

It is an arithmetic number, because the mean of its divisors is an integer number (14277223521).

Almost surely, 228554447041 is an apocalyptic number.

It is an amenable number.

28554447041 is a deficient number, since it is larger than the sum of its proper divisors (1).

28554447041 is an equidigital number, since it uses as much as digits as its factorization.

28554447041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 44.

The spelling of 28554447041 in words is "twenty-eight billion, five hundred fifty-four million, four hundred forty-seven thousand, forty-one".