Base | Representation |
---|---|
bin | 1100010101110011001… |
… | …0110001101100011000 |
3 | 202021020100121200020112 |
4 | 3011130302301230120 |
5 | 11433144103241440 |
6 | 241221322343452 |
7 | 21213545032460 |
oct | 3053462615430 |
9 | 667210550215 |
10 | 212010212120 |
11 | 81a05268343 |
12 | 3510995ab88 |
13 | 16cb961ac75 |
14 | a3931daba0 |
15 | 57aca60965 |
hex | 315ccb1b18 |
212010212120 has 64 divisors (see below), whose sum is σ = 547613982720. Its totient is φ = 72363233664.
The previous prime is 212010212087. The next prime is 212010212137. The reversal of 212010212120 is 21212010212.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 212010212095 and 212010212104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635272 + ... + 1760151.
It is an arithmetic number, because the mean of its divisors is an integer number (8556468480).
Almost surely, 2212010212120 is an apocalyptic number.
212010212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212010212120 is an abundant number, since it is smaller than the sum of its proper divisors (335603770600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212010212120 is a wasteful number, since it uses less digits than its factorization.
212010212120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3395664 (or 3395660 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 212010212120 its reverse (21212010212), we get a palindrome (233222222332).
The spelling of 212010212120 in words is "two hundred twelve billion, ten million, two hundred twelve thousand, one hundred twenty".
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