Base | Representation |
---|---|
bin | 110100001101001010… |
… | …1100101110010100001 |
3 | 101201101012122202110101 |
4 | 1220122111211302201 |
5 | 3314100410021441 |
6 | 123300400102401 |
7 | 11046133631215 |
oct | 1503225456241 |
9 | 351335582411 |
10 | 112111017121 |
11 | 43600823564 |
12 | 19889904a01 |
13 | a75897456c |
14 | 55d76da945 |
15 | 2db25d9231 |
hex | 1a1a565ca1 |
112111017121 has 32 divisors (see below), whose sum is σ = 122946785280. Its totient is φ = 101831558400.
The previous prime is 112111017097. The next prime is 112111017143. The reversal of 112111017121 is 121710111211.
It is a cyclic number.
It is not a de Polignac number, because 112111017121 - 27 = 112111016993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (112111011121) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 11782756 + ... + 11792266.
It is an arithmetic number, because the mean of its divisors is an integer number (3842087040).
Almost surely, 2112111017121 is an apocalyptic number.
It is an amenable number.
112111017121 is a deficient number, since it is larger than the sum of its proper divisors (10835768159).
112111017121 is a wasteful number, since it uses less digits than its factorization.
112111017121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9805.
The product of its (nonzero) digits is 28, while the sum is 19.
Adding to 112111017121 its reverse (121710111211), we get a palindrome (233821128332).
The spelling of 112111017121 in words is "one hundred twelve billion, one hundred eleven million, seventeen thousand, one hundred twenty-one".
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