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2540420011 is a prime number
BaseRepresentation
bin1001011101101011…
…1011101110101011
320120001020201010001
42113122323232223
520200321420021
61100030003431
7116645133223
oct22732735653
96501221101
102540420011
111094001178
125aa946577
1331641220c
141a1573083
15ed062091
hex976bbbab

2540420011 has 2 divisors, whose sum is σ = 2540420012. Its totient is φ = 2540420010.

The previous prime is 2540419997. The next prime is 2540420033. The reversal of 2540420011 is 1100240452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2540420011 - 25 = 2540419979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2540429011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270210005 + 1270210006.

It is an arithmetic number, because the mean of its divisors is an integer number (1270210006).

Almost surely, 22540420011 is an apocalyptic number.

2540420011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540420011 is an equidigital number, since it uses as much as digits as its factorization.

2540420011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2540420011 is about 50402.5794082009. The cubic root of 2540420011 is about 1364.4841912324.

Adding to 2540420011 its reverse (1100240452), we get a palindrome (3640660463).

The spelling of 2540420011 in words is "two billion, five hundred forty million, four hundred twenty thousand, eleven".