Base | Representation |
---|---|
bin | 11101101101110001111… |
… | …00110111010100010000 |
3 | 10121121101221211210020012 |
4 | 32312320330313110100 |
5 | 113212012103241422 |
6 | 2101013504134052 |
7 | 133523404415522 |
oct | 16667074672420 |
9 | 3547357753205 |
10 | 1021010212112 |
11 | 36400a713260 |
12 | 145a66307328 |
13 | 75386047907 |
14 | 375ba977a12 |
15 | 1b85b02e4e2 |
hex | edb8f37510 |
1021010212112 has 40 divisors (see below), whose sum is σ = 2162549802240. Its totient is φ = 463126628480.
The previous prime is 1021010212111. The next prime is 1021010212151. The reversal of 1021010212112 is 2112120101201.
It is not an unprimeable number, because it can be changed into a prime (1021010212111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5971223 + ... + 6139830.
It is an arithmetic number, because the mean of its divisors is an integer number (54063745056).
Almost surely, 21021010212112 is an apocalyptic number.
It is an amenable number.
1021010212112 is an abundant number, since it is smaller than the sum of its proper divisors (1141539590128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1021010212112 is a wasteful number, since it uses less digits than its factorization.
1021010212112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12111551 (or 12111545 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1021010212112 its reverse (2112120101201), we get a palindrome (3133130313313).
The spelling of 1021010212112 in words is "one trillion, twenty-one billion, ten million, two hundred twelve thousand, one hundred twelve".
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