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105043511 is a prime number
BaseRepresentation
bin1100100001011…
…01011000110111
321022122202121102
412100231120313
5203342343021
614231240315
72413566206
oct620553067
9238582542
10105043511
1154326821
122b21909b
13189bb331
14dd4523d
15934e00b
hex642d637

105043511 has 2 divisors, whose sum is σ = 105043512. Its totient is φ = 105043510.

The previous prime is 105043489. The next prime is 105043513. The reversal of 105043511 is 115340501.

It is a strong prime.

It is an emirp because it is prime and its reverse (115340501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105043511 - 26 = 105043447 is a prime.

It is a super-2 number, since 2×1050435112 = 22068278406414242, which contains 22 as substring.

Together with 105043513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105043513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52521755 + 52521756.

It is an arithmetic number, because the mean of its divisors is an integer number (52521756).

Almost surely, 2105043511 is an apocalyptic number.

105043511 is a deficient number, since it is larger than the sum of its proper divisors (1).

105043511 is an equidigital number, since it uses as much as digits as its factorization.

105043511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 105043511 is about 10249.0736654587. The cubic root of 105043511 is about 471.8345546142.

The spelling of 105043511 in words is "one hundred five million, forty-three thousand, five hundred eleven".