Base | Representation |
---|---|
bin | 1100010110101000000… |
… | …1001110000011101000 |
3 | 202021210211010212002200 |
4 | 3011222001032003220 |
5 | 11434122404231440 |
6 | 241255330300200 |
7 | 21222211050213 |
oct | 3055201160350 |
9 | 667724125080 |
10 | 212232102120 |
11 | 82009541605 |
12 | 35170127660 |
13 | 1702359aa1c |
14 | a3b487a77a |
15 | 57c2290c30 |
hex | 316a04e0e8 |
212232102120 has 96 divisors (see below), whose sum is σ = 708396385320. Its totient is φ = 55065623040.
The previous prime is 212232102109. The next prime is 212232102163. The reversal of 212232102120 is 21201232212.
212232102120 is a `hidden beast` number, since 21 + 223 + 210 + 212 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 204703763364 + 7528338756 = 452442^2 + 86766^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 212232102093 and 212232102102.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7953351 + ... + 7979990.
Almost surely, 2212232102120 is an apocalyptic number.
212232102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212232102120 is an abundant number, since it is smaller than the sum of its proper divisors (496164283200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212232102120 is a wasteful number, since it uses less digits than its factorization.
212232102120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15933395 (or 15933388 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 212232102120 its reverse (21201232212), we get a palindrome (233433334332).
The spelling of 212232102120 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred two thousand, one hundred twenty".
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