| Base | Representation |
|---|---|
| bin | 10101000101110110… |
| … | …00000100100111000 |
| 3 | 1002020010210212112020 |
| 4 | 22202323000210320 |
| 5 | 141142231444230 |
| 6 | 5111333514440 |
| 7 | 550413365466 |
| oct | 124273004470 |
| 9 | 32203725466 |
| 10 | 11323312440 |
| 11 | 4890795260 |
| 12 | 22401a2a20 |
| 13 | 10b5bc849b |
| 14 | 795bd1836 |
| 15 | 464155810 |
| hex | 2a2ec0938 |
11323312440 has 128 divisors (see below), whose sum is σ = 37115781120. Its totient is φ = 2740774400.
The previous prime is 11323312387. The next prime is 11323312463. The reversal of 11323312440 is 4421332311.
It is a happy number.
It is a super-2 number, since 2×113233124402 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 11323312440.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887305 + ... + 899975.
It is an arithmetic number, because the mean of its divisors is an integer number (289967040).
Almost surely, 211323312440 is an apocalyptic number.
11323312440 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 11323312440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18557890560).
11323312440 is an abundant number, since it is smaller than the sum of its proper divisors (25792468680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11323312440 is a wasteful number, since it uses less digits than its factorization.
11323312440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13373 (or 13369 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 11323312440 its reverse (4421332311), we get a palindrome (15744644751).
It can be divided in two parts, 1132331 and 2440, that added together give a triangular number (1134771 = T1506).
The spelling of 11323312440 in words is "eleven billion, three hundred twenty-three million, three hundred twelve thousand, four hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •