Base | Representation |
---|---|
bin | 1100010101110011001… |
… | …0000010110100010000 |
3 | 202021020100020220212010 |
4 | 3011130302002310100 |
5 | 11433144031120422 |
6 | 241221314302520 |
7 | 21213543302622 |
oct | 3053462026420 |
9 | 667210226763 |
10 | 212010020112 |
11 | 81a05147060 |
12 | 35109887a40 |
13 | 16cb9581757 |
14 | a39318ac12 |
15 | 57aca23b0c |
hex | 315cc82d10 |
212010020112 has 160 divisors (see below), whose sum is σ = 611945832960. Its totient is φ = 62693084160.
The previous prime is 212010020051. The next prime is 212010020113. The reversal of 212010020112 is 211020010212.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (212010020113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28580628 + ... + 28588044.
It is an arithmetic number, because the mean of its divisors is an integer number (3824661456).
Almost surely, 2212010020112 is an apocalyptic number.
212010020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212010020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305972916480).
212010020112 is an abundant number, since it is smaller than the sum of its proper divisors (399935812848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212010020112 is a wasteful number, since it uses less digits than its factorization.
212010020112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8741 (or 8735 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 212010020112 its reverse (211020010212), we get a palindrome (423030030324).
The spelling of 212010020112 in words is "two hundred twelve billion, ten million, twenty thousand, one hundred twelve".
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