Base | Representation |
---|---|
bin | 100001000001100… |
… | …1011110110101011 |
3 | 2212020010220021220 |
4 | 1002003023312223 |
5 | 4232140144433 |
6 | 301543033123 |
7 | 36313650222 |
oct | 10203136653 |
9 | 2766126256 |
10 | 1108131243 |
11 | 51956944a |
12 | 26b13b7a3 |
13 | 148769a7b |
14 | a7257cb9 |
15 | 674402b3 |
hex | 420cbdab |
1108131243 has 16 divisors (see below), whose sum is σ = 1561075200. Its totient is φ = 697260960.
The previous prime is 1108131221. The next prime is 1108131317. The reversal of 1108131243 is 3421318011.
It is a de Polignac number, because none of the positive numbers 2k-1108131243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1108131203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20803 + ... + 51468.
It is an arithmetic number, because the mean of its divisors is an integer number (97567200).
Almost surely, 21108131243 is an apocalyptic number.
1108131243 is a deficient number, since it is larger than the sum of its proper divisors (452943957).
1108131243 is a wasteful number, since it uses less digits than its factorization.
1108131243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72562.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 1108131243 is about 33288.6053027158. The cubic root of 1108131243 is about 1034.8174253792.
Adding to 1108131243 its reverse (3421318011), we get a palindrome (4529449254).
It can be divided in two parts, 11081 and 31243, that added together give a palindrome (42324).
The spelling of 1108131243 in words is "one billion, one hundred eight million, one hundred thirty-one thousand, two hundred forty-three".
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