Base | Representation |
---|---|
bin | 11001010010011… |
… | …11001010000000 |
3 | 112210011122200020 |
4 | 30221033022000 |
5 | 413301332301 |
6 | 33014453440 |
7 | 5154062661 |
oct | 1451171200 |
9 | 483148606 |
10 | 212136576 |
11 | a9822393 |
12 | 5b064280 |
13 | 34c46502 |
14 | 20261368 |
15 | 13955436 |
hex | ca4f280 |
212136576 has 64 divisors (see below), whose sum is σ = 565528800. Its totient is φ = 70456320.
The previous prime is 212136559. The next prime is 212136599. The reversal of 212136576 is 675631212.
212136576 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126270 + ... + 127938.
Almost surely, 2212136576 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212136576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282764400).
212136576 is an abundant number, since it is smaller than the sum of its proper divisors (353392224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212136576 is a wasteful number, since it uses less digits than its factorization.
212136576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2017 (or 2005 counting only the distinct ones).
The product of its digits is 15120, while the sum is 33.
The square root of 212136576 is about 14564.9090625379. The cubic root of 212136576 is about 596.4012132687.
Adding to 212136576 its reverse (675631212), we get a palindrome (887767788).
The spelling of 212136576 in words is "two hundred twelve million, one hundred thirty-six thousand, five hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •