Base | Representation |
---|---|
bin | 100001011110001… |
… | …0101010111011101 |
3 | 2220021100000121001 |
4 | 1002330111113131 |
5 | 4300004044123 |
6 | 303240110301 |
7 | 36555204133 |
oct | 10274252735 |
9 | 2807300531 |
10 | 1123112413 |
11 | 526a70a85 |
12 | 274165391 |
13 | 14b8b3977 |
14 | a9237753 |
15 | 688ee0ad |
hex | 42f155dd |
1123112413 has 4 divisors (see below), whose sum is σ = 1123508380. Its totient is φ = 1122716448.
The previous prime is 1123112411. The next prime is 1123112461. The reversal of 1123112413 is 3142113211.
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 865124569 + 257987844 = 29413^2 + 16062^2 .
It is a cyclic number.
It is not a de Polignac number, because 1123112413 - 21 = 1123112411 is a prime.
It is a super-2 number, since 2×11231124132 = 2522762984469365138, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1123112411) 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 3 ways as a sum of consecutive naturals, for example, 193698 + ... + 199411.
It is an arithmetic number, because the mean of its divisors is an integer number (280877095).
Almost surely, 21123112413 is an apocalyptic number.
It is an amenable number.
1123112413 is a deficient number, since it is larger than the sum of its proper divisors (395967).
1123112413 is an equidigital number, since it uses as much as digits as its factorization.
1123112413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395966.
The product of its digits is 144, while the sum is 19.
The square root of 1123112413 is about 33512.8693638727. The cubic root of 1123112413 is about 1039.4599060185.
Adding to 1123112413 its reverse (3142113211), we get a palindrome (4265225624).
The spelling of 1123112413 in words is "one billion, one hundred twenty-three million, one hundred twelve thousand, four hundred thirteen".
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