Base | Representation |
---|---|
bin | 1100011011001000000… |
… | …1110011001000000000 |
3 | 202101221000102021100202 |
4 | 3012302001303020000 |
5 | 11444111143313004 |
6 | 242015244304332 |
7 | 21264150610640 |
oct | 3066201631000 |
9 | 671830367322 |
10 | 213440213504 |
11 | 82579488571 |
12 | 354488420a8 |
13 | 1718697222b |
14 | a48b0bc520 |
15 | 584337eb1e |
hex | 31b2073200 |
213440213504 has 40 divisors (see below), whose sum is σ = 487386924288. Its totient is φ = 91474375680.
The previous prime is 213440213501. The next prime is 213440213551. The reversal of 213440213504 is 405312044312.
It is not an unprimeable number, because it can be changed into a prime (213440213501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29773232 + ... + 29780399.
Almost surely, 2213440213504 is an apocalyptic number.
It is an amenable number.
213440213504 is an abundant number, since it is smaller than the sum of its proper divisors (273946710784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213440213504 is an frugal number, since it uses more digits than its factorization.
213440213504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59553656 (or 59553640 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 213440213504 its reverse (405312044312), we get a palindrome (618752257816).
The spelling of 213440213504 in words is "two hundred thirteen billion, four hundred forty million, two hundred thirteen thousand, five hundred four".
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