| Base | Representation |
|---|---|
| bin | 10101100010101011… |
| … | …00001010000000000 |
| 3 | 1002211222212010202010 |
| 4 | 22301111201100000 |
| 5 | 142141134034130 |
| 6 | 5151333052520 |
| 7 | 556411044123 |
| oct | 126125412000 |
| 9 | 32758763663 |
| 10 | 11565143040 |
| 11 | 49a5249160 |
| 12 | 22a9187140 |
| 13 | 112403a609 |
| 14 | 7b9d823ba |
| 15 | 47a4c40b0 |
| hex | 2b1561400 |
11565143040 has 176 divisors, whose sum is σ = 40353739200. Its totient is φ = 2803630080.
The previous prime is 11565143033. The next prime is 11565143047. The reversal of 11565143040 is 4034156511.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (11565143033) and next prime (11565143047).
It is a tau number, because it is divible by the number of its divisors (176).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 11565142989 and 11565143007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11565143047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134736 + ... + 203184.
Almost surely, 211565143040 is an apocalyptic number.
11565143040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11565143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20176869600).
11565143040 is an abundant number, since it is smaller than the sum of its proper divisors (28788596160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11565143040 is a wasteful number, since it uses less digits than its factorization.
11565143040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68488 (or 68470 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 11565143040 its reverse (4034156511), we get a palindrome (15599299551).
The spelling of 11565143040 in words is "eleven billion, five hundred sixty-five million, one hundred forty-three thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •