| Base | Representation |
|---|---|
| bin | 10101011100101101… |
| … | …10111100110000000 |
| 3 | 1002201111210222211200 |
| 4 | 22232112313212000 |
| 5 | 142040340240211 |
| 6 | 5142345541200 |
| 7 | 555233200533 |
| oct | 125626674600 |
| 9 | 32644728750 |
| 10 | 11515165056 |
| 11 | 497a012a3a |
| 12 | 22944a4800 |
| 13 | 111688c245 |
| 14 | 7b3492a1a |
| 15 | 475e00b56 |
| hex | 2ae5b7980 |
11515165056 has 96 divisors (see below), whose sum is σ = 33216193920. Its totient is φ = 3829109760.
The previous prime is 11515165043. The next prime is 11515165087. The reversal of 11515165056 is 65056151511.
It is a happy number.
11515165056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 11515165056.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 473121 + ... + 496863.
It is an arithmetic number, because the mean of its divisors is an integer number (346002020).
Almost surely, 211515165056 is an apocalyptic number.
11515165056 is a gapful number since it is divisible by the number (16) 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 11515165056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16608096960).
11515165056 is an abundant number, since it is smaller than the sum of its proper divisors (21701028864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11515165056 is a wasteful number, since it uses less digits than its factorization.
11515165056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24184 (or 24169 counting only the distinct ones).
The product of its (nonzero) digits is 22500, while the sum is 36.
The spelling of 11515165056 in words is "eleven billion, five hundred fifteen million, one hundred sixty-five thousand, fifty-six".
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