Base | Representation |
---|---|
bin | 11010000011110111… |
… | …10111110111000110 |
3 | 1100010001202100100000 |
4 | 31001323313313012 |
5 | 212123211204410 |
6 | 10232154102130 |
7 | 1003466345220 |
oct | 150173676706 |
9 | 40101670300 |
10 | 13991116230 |
11 | 5a2a690783 |
12 | 286571a946 |
13 | 141c81b400 |
14 | 96a243410 |
15 | 56d47adc0 |
hex | 341ef7dc6 |
13991116230 has 576 divisors, whose sum is σ = 48497799168. Its totient is φ = 2838551040.
The previous prime is 13991116211. The next prime is 13991116231. The reversal of 13991116230 is 3261119931.
13991116230 is a `hidden beast` number, since 13 + 9 + 9 + 1 + 11 + 623 + 0 = 666.
It is a super-2 number, since 2×139911162302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13991116231) by changing a digit.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 89115312 + ... + 89115468.
It is an arithmetic number, because the mean of its divisors is an integer number (84197568).
Almost surely, 213991116230 is an apocalyptic number.
13991116230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13991116230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24248899584).
13991116230 is an abundant number, since it is smaller than the sum of its proper divisors (34506682938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13991116230 is a wasteful number, since it uses less digits than its factorization.
13991116230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243 (or 218 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The spelling of 13991116230 in words is "thirteen billion, nine hundred ninety-one million, one hundred sixteen thousand, two hundred thirty".
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