Base | Representation |
---|---|
bin | 110100001010001010… |
… | …1000010111010100101 |
3 | 101201010011222021102122 |
4 | 1220110111002322211 |
5 | 3313344103222411 |
6 | 123242355315325 |
7 | 11043501040604 |
oct | 1502425027245 |
9 | 351104867378 |
10 | 112010210981 |
11 | 435599313a9 |
12 | 1985bbabb45 |
13 | a740b0ab66 |
14 | 55c8179a3b |
15 | 2da88259db |
hex | 1a14542ea5 |
112010210981 has 2 divisors, whose sum is σ = 112010210982. Its totient is φ = 112010210980.
The previous prime is 112010210969. The next prime is 112010211007. The reversal of 112010210981 is 189012010211.
It is an a-pointer prime, because the next prime (112010211007) can be obtained adding 112010210981 to its sum of digits (26).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 106694342881 + 5315868100 = 326641^2 + 72910^2 .
It is an emirp because it is prime and its reverse (189012010211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 112010210981 - 222 = 112006016677 is a prime.
It is a super-2 number, since 2×1120102109812 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 112010210981.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (112010210951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005105490 + 56005105491.
It is an arithmetic number, because the mean of its divisors is an integer number (56005105491).
Almost surely, 2112010210981 is an apocalyptic number.
It is an amenable number.
112010210981 is a deficient number, since it is larger than the sum of its proper divisors (1).
112010210981 is an equidigital number, since it uses as much as digits as its factorization.
112010210981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 26.
The spelling of 112010210981 in words is "one hundred twelve billion, ten million, two hundred ten thousand, nine hundred eighty-one".
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