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36105121 = 132777317
BaseRepresentation
bin1000100110111…
…0101110100001
32111221022220201
42021232232201
533220330441
63325505201
7615613513
oct211565641
974838821
1036105121
1119420348
1210112201
137631aa0
144b1bbb3
153282c31
hex226eba1

36105121 has 4 divisors (see below), whose sum is σ = 38882452. Its totient is φ = 33327792.

The previous prime is 36105119. The next prime is 36105151. The reversal of 36105121 is 12150163.

36105121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2927521 + 33177600 = 1711^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 36105121 - 21 = 36105119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36105151) 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, 1388646 + ... + 1388671.

It is an arithmetic number, because the mean of its divisors is an integer number (9720613).

Almost surely, 236105121 is an apocalyptic number.

It is an amenable number.

36105121 is a deficient number, since it is larger than the sum of its proper divisors (2777331).

36105121 is a wasteful number, since it uses less digits than its factorization.

36105121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777330.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 36105121 is about 6008.7536977313. The cubic root of 36105121 is about 330.5138032156.

Adding to 36105121 its reverse (12150163), we get a palindrome (48255284).

The spelling of 36105121 in words is "thirty-six million, one hundred five thousand, one hundred twenty-one".

Divisors: 1 13 2777317 36105121