Base | Representation |
---|---|
bin | 111110111111000… |
… | …0111100111010011 |
3 | 12110021210200022200 |
4 | 1331332013213103 |
5 | 13312014423430 |
6 | 545414134243 |
7 | 103241624220 |
oct | 17576074723 |
9 | 5407720280 |
10 | 2113436115 |
11 | 994a8591a |
12 | 4ab951383 |
13 | 278b1371b |
14 | 160986947 |
15 | c581d460 |
hex | 7df879d3 |
2113436115 has 96 divisors (see below), whose sum is σ = 4332182400. Its totient is φ = 932954112.
The previous prime is 2113436113. The next prime is 2113436123. The reversal of 2113436115 is 5116343112.
It is a happy number.
2113436115 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 43 + 611 + 5 = 666.
It is not a de Polignac number, because 2113436115 - 21 = 2113436113 is a prime.
It is a super-2 number, since 2×21134361152 = 8933224424372586450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2113436113) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1735987 + ... + 1737203.
It is an arithmetic number, because the mean of its divisors is an integer number (45126900).
Almost surely, 22113436115 is an apocalyptic number.
2113436115 is an abundant number, since it is smaller than the sum of its proper divisors (2218746285).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113436115 is a wasteful number, since it uses less digits than its factorization.
2113436115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 2113436115 is about 45972.1232378928. The cubic root of 2113436115 is about 1283.3044734426.
Adding to 2113436115 its reverse (5116343112), we get a palindrome (7229779227).
The spelling of 2113436115 in words is "two billion, one hundred thirteen million, four hundred thirty-six thousand, one hundred fifteen".
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