Base | Representation |
---|---|
bin | 110100001101011110… |
… | …0011100000101011011 |
3 | 101201101220211011002121 |
4 | 1220122330130011123 |
5 | 3314111011412422 |
6 | 123301402242111 |
7 | 11046316324615 |
oct | 1503274340533 |
9 | 351356734077 |
10 | 112121200987 |
11 | 43606549884 |
12 | 198911b6337 |
13 | a75aacba13 |
14 | 55d8bcbdb5 |
15 | 2db344b8c7 |
hex | 1a1af1c15b |
112121200987 has 8 divisors (see below), whose sum is σ = 113967374400. Its totient is φ = 110280107784.
The previous prime is 112121200967. The next prime is 112121200993. The reversal of 112121200987 is 789002121211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 112121200987 - 223 = 112112812379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (112121200967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225537 + ... + 1313842.
It is an arithmetic number, because the mean of its divisors is an integer number (14245921800).
Almost surely, 2112121200987 is an apocalyptic number.
112121200987 is a deficient number, since it is larger than the sum of its proper divisors (1846173413).
112121200987 is an equidigital number, since it uses as much as digits as its factorization.
112121200987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2540105.
The product of its (nonzero) digits is 4032, while the sum is 34.
The spelling of 112121200987 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred thousand, nine hundred eighty-seven".
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