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275322862081 is a prime number
BaseRepresentation
bin1000000000110101000…
…01010111101000000001
3222022122201112112110001
410000122201113220001
514002330123041311
6330252004240001
725614520500001
oct4003241275001
9868581475401
10275322862081
11a684463a343
12454390a0001
131cc69469257
14d47ba00001
1572660144c1
hex401a857a01

275322862081 has 2 divisors, whose sum is σ = 275322862082. Its totient is φ = 275322862080.

The previous prime is 275322862079. The next prime is 275322862091. The reversal of 275322862081 is 180268223572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261448142400 + 13874719681 = 511320^2 + 117791^2 .

It is a cyclic number.

It is not a de Polignac number, because 275322862081 - 21 = 275322862079 is a prime.

It is a super-2 number, since 2×2753228620812 (a number of 24 digits) contains 22 as substring.

Together with 275322862079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (275322862091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137661431040 + 137661431041.

It is an arithmetic number, because the mean of its divisors is an integer number (137661431041).

Almost surely, 2275322862081 is an apocalyptic number.

It is an amenable number.

275322862081 is a deficient number, since it is larger than the sum of its proper divisors (1).

275322862081 is an equidigital number, since it uses as much as digits as its factorization.

275322862081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 275322862081 in words is "two hundred seventy-five billion, three hundred twenty-two million, eight hundred sixty-two thousand, eighty-one".