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105110047 = 722145103
BaseRepresentation
bin1100100001111…
…01101000011111
321022210010212201
412100331220133
5203402010142
614232512331
72414264200
oct620755037
9238703781
10105110047
1154371809
122b24b6a7
1318a126c3
14dd615a7
159363ab7
hex643da1f

105110047 has 6 divisors (see below), whose sum is σ = 122270928. Its totient is φ = 90094284.

The previous prime is 105110041. The next prime is 105110051. The reversal of 105110047 is 740011501.

It is not a de Polignac number, because 105110047 - 23 = 105110039 is a prime.

It is a super-2 number, since 2×1051100472 = 22096243960684418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105110041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072503 + ... + 1072600.

It is an arithmetic number, because the mean of its divisors is an integer number (20378488).

Almost surely, 2105110047 is an apocalyptic number.

105110047 is a deficient number, since it is larger than the sum of its proper divisors (17160881).

105110047 is an equidigital number, since it uses as much as digits as its factorization.

105110047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145117 (or 2145110 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 105110047 is about 10252.3191035004. The cubic root of 105110047 is about 471.9341557462.

Adding to 105110047 its reverse (740011501), we get a palindrome (845121548).

The spelling of 105110047 in words is "one hundred five million, one hundred ten thousand, forty-seven".

Divisors: 1 7 49 2145103 15015721 105110047