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105030133 = 138079241
BaseRepresentation
bin1100100001010…
…10000111110101
321022122002020221
412100222013311
5203341431013
614231054341
72413512205
oct620520765
9238562227
10105030133
115431776a
122b2113b1
13189b5210
14dd40405
15934a08d
hex642a1f5

105030133 has 4 divisors (see below), whose sum is σ = 113109388. Its totient is φ = 96950880.

The previous prime is 105030127. The next prime is 105030169. The reversal of 105030133 is 331030501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331030501 = 1073093743.

It can be written as a sum of positive squares in 2 ways, for example, as 11675889 + 93354244 = 3417^2 + 9662^2 .

It is not a de Polignac number, because 105030133 - 213 = 105021941 is a prime.

It is a super-2 number, since 2×1050301332 = 22062657675995378, 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 (105030113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039608 + ... + 4039633.

It is an arithmetic number, because the mean of its divisors is an integer number (28277347).

Almost surely, 2105030133 is an apocalyptic number.

105030133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105030133 is a deficient number, since it is larger than the sum of its proper divisors (8079255).

105030133 is an equidigital number, since it uses as much as digits as its factorization.

105030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079254.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 105030133 is about 10248.4210003298. The cubic root of 105030133 is about 471.8145233256.

Adding to 105030133 its reverse (331030501), we get a palindrome (436060634).

The spelling of 105030133 in words is "one hundred five million, thirty thousand, one hundred thirty-three".

Divisors: 1 13 8079241 105030133