Base | Representation |
---|---|
bin | 1100011001100010000… |
… | …1000011101100010100 |
3 | 202100211012000221111121 |
4 | 3012120201003230110 |
5 | 11442222110401322 |
6 | 241504554413324 |
7 | 21250432553530 |
oct | 3063041035424 |
9 | 670735027447 |
10 | 213012200212 |
11 | 82379919879 |
12 | 35349431244 |
13 | 171190a3026 |
14 | a44a304bc0 |
15 | 581a9d5ec7 |
hex | 3198843b14 |
213012200212 has 48 divisors (see below), whose sum is σ = 431095392000. Its totient is φ = 90205657344.
The previous prime is 213012200179. The next prime is 213012200237. The reversal of 213012200212 is 212002210312.
It is a happy number.
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, 3857614 + ... + 3912442.
It is an arithmetic number, because the mean of its divisors is an integer number (8981154000).
Almost surely, 2213012200212 is an apocalyptic number.
It is an amenable number.
213012200212 is an abundant number, since it is smaller than the sum of its proper divisors (218083191788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213012200212 is a wasteful number, since it uses less digits than its factorization.
213012200212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56488 (or 56486 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 213012200212 its reverse (212002210312), we get a palindrome (425014410524).
The spelling of 213012200212 in words is "two hundred thirteen billion, twelve million, two hundred thousand, two hundred twelve".
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