Base | Representation |
---|---|
bin | 100001000111100… |
… | …0000011001011011 |
3 | 2212102222100001021 |
4 | 1002033000121123 |
5 | 4233433330133 |
6 | 302133303311 |
7 | 36352204510 |
oct | 10217003133 |
9 | 2772870037 |
10 | 1111230043 |
11 | 520295640 |
12 | 270194b37 |
13 | 1492b3391 |
14 | a7823307 |
15 | 6785352d |
hex | 423c065b |
1111230043 has 16 divisors (see below), whose sum is σ = 1386279936. Its totient is φ = 865362240.
The previous prime is 1111230019. The next prime is 1111230047. The reversal of 1111230043 is 3400321111.
It is a cyclic number.
It is not a de Polignac number, because 1111230043 - 229 = 574359131 is a prime.
It is a super-3 number, since 3×11112300433 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1111229999 and 1111230026.
It is not an unprimeable number, because it can be changed into a prime (1111230047) 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 15 ways as a sum of consecutive naturals, for example, 162430 + ... + 169132.
It is an arithmetic number, because the mean of its divisors is an integer number (86642496).
Almost surely, 21111230043 is an apocalyptic number.
1111230043 is a deficient number, since it is larger than the sum of its proper divisors (275049893).
1111230043 is a wasteful number, since it uses less digits than its factorization.
1111230043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8874.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1111230043 is about 33335.1172639305. The cubic root of 1111230043 is about 1035.7811222359.
Adding to 1111230043 its reverse (3400321111), we get a palindrome (4511551154).
The spelling of 1111230043 in words is "one billion, one hundred eleven million, two hundred thirty thousand, forty-three".
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