Base | Representation |
---|---|
bin | 110011110010000011… |
… | …0111101111010101100 |
3 | 101122000210200222101002 |
4 | 1213210012331322230 |
5 | 3310220002322444 |
6 | 123030215535432 |
7 | 11014445503310 |
oct | 1474406757254 |
9 | 348023628332 |
10 | 111201214124 |
11 | 43184206060 |
12 | 1967508a578 |
13 | a642327bb0 |
14 | 554c94bb40 |
15 | 2d5c7c2d4e |
hex | 19e41bdeac |
111201214124 has 96 divisors (see below), whose sum is σ = 261417010176. Its totient is φ = 39972084480.
The previous prime is 111201214123. The next prime is 111201214199. The reversal of 111201214124 is 421412102111.
It is a junction number, because it is equal to n+sod(n) for n = 111201214096 and 111201214105.
It is not an unprimeable number, because it can be changed into a prime (111201214123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9431537 + ... + 9443319.
It is an arithmetic number, because the mean of its divisors is an integer number (2723093856).
Almost surely, 2111201214124 is an apocalyptic number.
111201214124 is a gapful number since it is divisible by the number (14) 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 111201214124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130708505088).
111201214124 is an abundant number, since it is smaller than the sum of its proper divisors (150215796052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111201214124 is a wasteful number, since it uses less digits than its factorization.
111201214124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14175 (or 14173 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 111201214124 its reverse (421412102111), we get a palindrome (532613316235).
The spelling of 111201214124 in words is "one hundred eleven billion, two hundred one million, two hundred fourteen thousand, one hundred twenty-four".
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