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13105051 is a prime number
BaseRepresentation
bin110001111111…
…011110011011
3220122210202021
4301333132123
511323330201
61144515311
7216251101
oct61773633
926583667
1013105051
117441023
12447bb37
13293ac8b
141a51c71
15123cea1
hexc7f79b

13105051 has 2 divisors, whose sum is σ = 13105052. Its totient is φ = 13105050.

The previous prime is 13105049. The next prime is 13105091. The reversal of 13105051 is 15050131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13105051 - 21 = 13105049 is a prime.

Together with 13105049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13105091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552525 + 6552526.

It is an arithmetic number, because the mean of its divisors is an integer number (6552526).

Almost surely, 213105051 is an apocalyptic number.

13105051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105051 is an equidigital number, since it uses as much as digits as its factorization.

13105051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 13105051 is about 3620.0899160104. The cubic root of 13105051 is about 235.7651294930.

Adding to 13105051 its reverse (15050131), we get a palindrome (28155182).

The spelling of 13105051 in words is "thirteen million, one hundred five thousand, fifty-one".