| Base | Representation |
|---|---|
| bin | 10101111111100010… |
| … | …00011101110000000 |
| 3 | 1010110212102002122100 |
| 4 | 22333301003232000 |
| 5 | 143140123240021 |
| 6 | 5231342110400 |
| 7 | 565410624243 |
| oct | 127761035600 |
| 9 | 33425362570 |
| 10 | 11807243136 |
| 11 | 5009976587 |
| 12 | 235627b400 |
| 13 | 1162245300 |
| 14 | 8001a325a |
| 15 | 491897626 |
| hex | 2bfc43b80 |
11807243136 has 144 divisors (see below), whose sum is σ = 36791805960. Its totient is φ = 3632937984.
The previous prime is 11807243069. The next prime is 11807243159. The reversal of 11807243136 is 63134270811.
It is a happy number.
11807243136 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 (144).
It is a super-2 number, since 2×118072431362 (a number of 21 digits) contains 22 as substring.
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 11807243136.
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 17 ways as a sum of consecutive naturals, for example, 164365 + ... + 225011.
Almost surely, 211807243136 is an apocalyptic number.
11807243136 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 11807243136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18395902980).
11807243136 is an abundant number, since it is smaller than the sum of its proper divisors (24984562824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11807243136 is a wasteful number, since it uses less digits than its factorization.
11807243136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60693 (or 60665 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The spelling of 11807243136 in words is "eleven billion, eight hundred seven million, two hundred forty-three thousand, one hundred thirty-six".
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