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2105412041 is a prime number
BaseRepresentation
bin111110101111110…
…0000100111001001
312102201201000100202
41331133200213021
513302441141131
6544530141545
7103113464345
oct17537404711
95381630322
102105412041
119904a5257
124a91218b5
13277264355
1415d898625
15c4c85bcb
hex7d7e09c9

2105412041 has 2 divisors, whose sum is σ = 2105412042. Its totient is φ = 2105412040.

The previous prime is 2105412037. The next prime is 2105412079. The reversal of 2105412041 is 1402145012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2066611600 + 38800441 = 45460^2 + 6229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105412041 - 22 = 2105412037 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105411041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052706020 + 1052706021.

It is an arithmetic number, because the mean of its divisors is an integer number (1052706021).

Almost surely, 22105412041 is an apocalyptic number.

It is an amenable number.

2105412041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105412041 is an equidigital number, since it uses as much as digits as its factorization.

2105412041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2105412041 is about 45884.7691614549. The cubic root of 2105412041 is about 1281.6783081207.

Adding to 2105412041 its reverse (1402145012), we get a palindrome (3507557053).

The spelling of 2105412041 in words is "two billion, one hundred five million, four hundred twelve thousand, forty-one".