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2840122001 is a prime number
BaseRepresentation
bin1010100101001000…
…1101001010010001
321022221012010221202
42221102031022101
521304032401001
61145453400545
7130244432033
oct25122151221
97287163852
102840122001
1112281a1772
12673199155
13363537482
141cd2a9c53
1511951296b
hexa948d291

2840122001 has 2 divisors, whose sum is σ = 2840122002. Its totient is φ = 2840122000.

The previous prime is 2840121967. The next prime is 2840122003. The reversal of 2840122001 is 1002210482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2391699025 + 448422976 = 48905^2 + 21176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2840122001 - 210 = 2840120977 is a prime.

Together with 2840122003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2840122003) 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, 1420061000 + 1420061001.

It is an arithmetic number, because the mean of its divisors is an integer number (1420061001).

Almost surely, 22840122001 is an apocalyptic number.

It is an amenable number.

2840122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840122001 is an equidigital number, since it uses as much as digits as its factorization.

2840122001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2840122001 is about 53292.7950195897. The cubic root of 2840122001 is about 1416.1600281503.

Adding to 2840122001 its reverse (1002210482), we get a palindrome (3842332483).

The spelling of 2840122001 in words is "two billion, eight hundred forty million, one hundred twenty-two thousand, one".