Base | Representation |
---|---|
bin | 1100011000000111100… |
… | …0101111110011100100 |
3 | 202022211201121220201002 |
4 | 3012001320233303210 |
5 | 11440432412043434 |
6 | 241403153052432 |
7 | 21235142501624 |
oct | 3060170576344 |
9 | 668751556632 |
10 | 212632534244 |
11 | 821a4582149 |
12 | 35262257118 |
13 | 17088530c00 |
14 | a411b14884 |
15 | 57e74dc57e |
hex | 3181e2fce4 |
212632534244 has 72 divisors (see below), whose sum is σ = 428097133800. Its totient is φ = 92048566272.
The previous prime is 212632534243. The next prime is 212632534273. The reversal of 212632534244 is 442435236212.
212632534244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 46729468900 + 165903065344 = 216170^2 + 407312^2 .
It is a junction number, because it is equal to n+sod(n) for n = 212632534198 and 212632534207.
It is not an unprimeable number, because it can be changed into a prime (212632534243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3335582 + ... + 3398730.
It is an arithmetic number, because the mean of its divisors is an integer number (5945793525).
Almost surely, 2212632534244 is an apocalyptic number.
It is an amenable number.
212632534244 is an abundant number, since it is smaller than the sum of its proper divisors (215464599556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212632534244 is a wasteful number, since it uses less digits than its factorization.
212632534244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63489 (or 63474 counting only the distinct ones).
The product of its digits is 276480, while the sum is 38.
The spelling of 212632534244 in words is "two hundred twelve billion, six hundred thirty-two million, five hundred thirty-four thousand, two hundred forty-four".
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