Base | Representation |
---|---|
bin | 1100011001100000001… |
… | …0101010110110001000 |
3 | 202100210122001020002011 |
4 | 3012120002222312020 |
5 | 11442213040442440 |
6 | 241504111545304 |
7 | 21250305055006 |
oct | 3063002526610 |
9 | 670718036064 |
10 | 213004234120 |
11 | 82375378827 |
12 | 3534682b234 |
13 | 17117544172 |
14 | a44922da76 |
15 | 5819e609ea |
hex | 31980aad88 |
213004234120 has 64 divisors (see below), whose sum is σ = 494149170240. Its totient is φ = 82584902400.
The previous prime is 213004234109. The next prime is 213004234123. The reversal of 213004234120 is 21432400312.
It is a junction number, because it is equal to n+sod(n) for n = 213004234091 and 213004234100.
It is not an unprimeable number, because it can be changed into a prime (213004234123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247351 + ... + 697990.
It is an arithmetic number, because the mean of its divisors is an integer number (7721080785).
Almost surely, 2213004234120 is an apocalyptic number.
213004234120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213004234120 is an abundant number, since it is smaller than the sum of its proper divisors (281144936120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213004234120 is a wasteful number, since it uses less digits than its factorization.
213004234120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 945526 (or 945522 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 213004234120 its reverse (21432400312), we get a palindrome (234436634432).
The spelling of 213004234120 in words is "two hundred thirteen billion, four million, two hundred thirty-four thousand, one hundred twenty".
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