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2105144011 is a prime number
BaseRepresentation
bin111110101111001…
…1111001011001011
312102201012101200201
41331132133023023
513302404102021
6544520313031
7103111300045
oct17536371313
95381171621
102105144011
11990331943
124a9012777
1327719c359
1415d828a95
15c4c31591
hex7d79f2cb

2105144011 has 2 divisors, whose sum is σ = 2105144012. Its totient is φ = 2105144010.

The previous prime is 2105144003. The next prime is 2105144029. The reversal of 2105144011 is 1104415012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105144011 - 23 = 2105144003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105144011.

It is not a weakly prime, because it can be changed into another prime (2105144071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052572005 + 1052572006.

It is an arithmetic number, because the mean of its divisors is an integer number (1052572006).

Almost surely, 22105144011 is an apocalyptic number.

2105144011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105144011 is an equidigital number, since it uses as much as digits as its factorization.

2105144011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2105144011 is about 45881.8483825576. The cubic root of 2105144011 is about 1281.6239176881.

Adding to 2105144011 its reverse (1104415012), we get a palindrome (3209559023).

The spelling of 2105144011 in words is "two billion, one hundred five million, one hundred forty-four thousand, eleven".