Base | Representation |
---|---|
bin | 1100001110101110010… |
… | …1111001110100010000 |
3 | 202002022222221022121111 |
4 | 3003223211321310100 |
5 | 11420301404341422 |
6 | 240305040103104 |
7 | 21115514064301 |
oct | 3035345716420 |
9 | 662288838544 |
10 | 210111012112 |
11 | 81120209261 |
12 | 34879904a94 |
13 | 16a76007591 |
14 | a252ca07a8 |
15 | 56eae5ea77 |
hex | 30eb979d10 |
210111012112 has 40 divisors (see below), whose sum is σ = 417204906552. Its totient is φ = 102447513600.
The previous prime is 210111012079. The next prime is 210111012113. The reversal of 210111012112 is 211210111012.
It is a happy number.
210111012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 20123124736 + 189987887376 = 141856^2 + 435876^2 .
It is a super-3 number, since 3×2101110121123 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210111012092 and 210111012101.
It is not an unprimeable number, because it can be changed into a prime (210111012113) 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, 1426128 + ... + 1566544.
Almost surely, 2210111012112 is an apocalyptic number.
It is an amenable number.
210111012112 is a deficient number, since it is larger than the sum of its proper divisors (207093894440).
210111012112 is a wasteful number, since it uses less digits than its factorization.
210111012112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142747 (or 142741 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 210111012112 its reverse (211210111012), we get a palindrome (421321123124).
The spelling of 210111012112 in words is "two hundred ten billion, one hundred eleven million, twelve thousand, one hundred twelve".
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