Base | Representation |
---|---|
bin | 1100010101110011100… |
… | …1101001010111010100 |
3 | 202021020111000011121020 |
4 | 3011130321221113110 |
5 | 11433200033404022 |
6 | 241221425121140 |
7 | 21213566243052 |
oct | 3053471512724 |
9 | 667214004536 |
10 | 212012013012 |
11 | 81a06288388 |
12 | 3510a4891b0 |
13 | 16cb9acb897 |
14 | a3935491d2 |
15 | 57accb935c |
hex | 315ce695d4 |
212012013012 has 24 divisors (see below), whose sum is σ = 494796019200. Its totient is φ = 70656196416.
The previous prime is 212012012999. The next prime is 212012013013. The reversal of 212012013012 is 210310210212.
It is a super-2 number, since 2×2120120130122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212012012982 and 212012013000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212012013013) 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, 1748212 + ... + 1865547.
It is an arithmetic number, because the mean of its divisors is an integer number (20616500800).
Almost surely, 2212012013012 is an apocalyptic number.
It is an amenable number.
212012013012 is an abundant number, since it is smaller than the sum of its proper divisors (282784006188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212012013012 is a wasteful number, since it uses less digits than its factorization.
212012013012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3618655 (or 3618653 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 212012013012 its reverse (210310210212), we get a palindrome (422322223224).
The spelling of 212012013012 in words is "two hundred twelve billion, twelve million, thirteen thousand, twelve".
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