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28482939161 is a prime number
BaseRepresentation
bin11010100001101101…
…110010100100011001
32201112000200020010122
4122201231302210121
5431313113023121
621030200123025
72025555662645
oct324155624431
981460606118
1028482939161
1111096970846
12562aa66475
1328bbcab471
141542b83c25
15b1a85e5ab
hex6a1b72919

28482939161 has 2 divisors, whose sum is σ = 28482939162. Its totient is φ = 28482939160.

The previous prime is 28482939143. The next prime is 28482939209. The reversal of 28482939161 is 16193928482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25708915600 + 2774023561 = 160340^2 + 52669^2 .

It is a cyclic number.

It is not a de Polignac number, because 28482939161 - 222 = 28478744857 is a prime.

It is a super-2 number, since 2×284829391612 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28482939361) 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, 14241469580 + 14241469581.

It is an arithmetic number, because the mean of its divisors is an integer number (14241469581).

Almost surely, 228482939161 is an apocalyptic number.

It is an amenable number.

28482939161 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482939161 is an equidigital number, since it uses as much as digits as its factorization.

28482939161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The spelling of 28482939161 in words is "twenty-eight billion, four hundred eighty-two million, nine hundred thirty-nine thousand, one hundred sixty-one".