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12111301158 = 2311216682233
BaseRepresentation
bin10110100011110001…
…11100101000100110
31011021001112211211120
423101320330220212
5144300443114113
65321443114410
7606062234625
oct132170745046
934231484746
1012111301158
115155571900
122420072a06
1311b02341b8
1482c7116bc
154ad408a23
hex2d1e3ca26

12111301158 has 24 divisors (see below), whose sum is σ = 26624845464. Its totient is φ = 3670091040.

The previous prime is 12111301129. The next prime is 12111301159. The reversal of 12111301158 is 85110311121.

12111301158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111301159) 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 in 11 ways as a sum of consecutive naturals, for example, 8340391 + ... + 8341842.

It is an arithmetic number, because the mean of its divisors is an integer number (1109368561).

Almost surely, 212111301158 is an apocalyptic number.

12111301158 is an abundant number, since it is smaller than the sum of its proper divisors (14513544306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111301158 is a wasteful number, since it uses less digits than its factorization.

12111301158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16682260 (or 16682249 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 24.

Adding to 12111301158 its reverse (85110311121), we get a palindrome (97221612279).

The spelling of 12111301158 in words is "twelve billion, one hundred eleven million, three hundred one thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 16682233 33364466 50046699 100093398 183504563 367009126 550513689 1101027378 2018550193 4037100386 6055650579 12111301158