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5281103161 is a prime number
BaseRepresentation
bin1001110101100011…
…10011110100111001
3111122001022211121101
410322301303310321
541303430300121
62232012211401
7244604431135
oct47261636471
914561284541
105281103161
112270054a74
121034769b61
13662171419
143815563c5
1520d981491
hex13ac73d39

5281103161 has 2 divisors, whose sum is σ = 5281103162. Its totient is φ = 5281103160.

The previous prime is 5281103141. The next prime is 5281103183. The reversal of 5281103161 is 1613011825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4527271225 + 753831936 = 67285^2 + 27456^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281103161 - 211 = 5281101113 is a prime.

It is not a weakly prime, because it can be changed into another prime (5281103141) 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, 2640551580 + 2640551581.

It is an arithmetic number, because the mean of its divisors is an integer number (2640551581).

Almost surely, 25281103161 is an apocalyptic number.

It is an amenable number.

5281103161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5281103161 is an equidigital number, since it uses as much as digits as its factorization.

5281103161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5281103161 is about 72671.1989786876. The cubic root of 5281103161 is about 1741.4388021128.

Adding to 5281103161 its reverse (1613011825), we get a palindrome (6894114986).

The spelling of 5281103161 in words is "five billion, two hundred eighty-one million, one hundred three thousand, one hundred sixty-one".