Base | Representation |
---|---|
bin | 1010000110101111101111… |
… | …0111101010010111010000 |
3 | 1110100012110110121212021210 |
4 | 2201223323313222113100 |
5 | 2424020322320200422 |
6 | 35344154504420120 |
7 | 2224513133025450 |
oct | 241537367522720 |
9 | 43305413555253 |
10 | 11111011100112 |
11 | 35a4176114550 |
12 | 12b547b177640 |
13 | 6279c1246641 |
14 | 2a5ac0b55d60 |
15 | 14405242710c |
hex | a1afbdea5d0 |
11111011100112 has 320 divisors, whose sum is σ = 36293277081600. Its totient is φ = 2845186007040.
The previous prime is 11111011100087. The next prime is 11111011100221. The reversal of 11111011100112 is 21100111011111.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 197645064 + ... + 197701272.
It is an arithmetic number, because the mean of its divisors is an integer number (113416490880).
Almost surely, 211111011100112 is an apocalyptic number.
11111011100112 is a gapful number since it is divisible by the number (12) 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 11111011100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18146638540800).
11111011100112 is an abundant number, since it is smaller than the sum of its proper divisors (25182265981488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11111011100112 is a wasteful number, since it uses less digits than its factorization.
11111011100112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56994 (or 56988 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 12.
Adding to 11111011100112 its reverse (21100111011111), we get a palindrome (32211122111223).
The spelling of 11111011100112 in words is "eleven trillion, one hundred eleven billion, eleven million, one hundred thousand, one hundred twelve".
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