Base | Representation |
---|---|
bin | 1100010101111000011… |
… | …0101101000101000000 |
3 | 202021021220000110012111 |
4 | 3011132012231011000 |
5 | 11433220221311222 |
6 | 241223430105104 |
7 | 21214233035053 |
oct | 3053606550500 |
9 | 667256013174 |
10 | 212032213312 |
11 | 81a16725147 |
12 | 351151ab194 |
13 | 16cc105221a |
14 | a3960c6a9a |
15 | 57ae959777 |
hex | 315e1ad140 |
212032213312 has 28 divisors (see below), whose sum is σ = 445501509300. Its totient is φ = 99779864576.
The previous prime is 212032213301. The next prime is 212032213313. The reversal of 212032213312 is 213312230212.
It can be written as a sum of positive squares in 2 ways, for example, as 145600243776 + 66431969536 = 381576^2 + 257744^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212032213313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97440187 + ... + 97442362.
Almost surely, 2212032213312 is an apocalyptic number.
It is an amenable number.
212032213312 is an abundant number, since it is smaller than the sum of its proper divisors (233469295988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212032213312 is a wasteful number, since it uses less digits than its factorization.
212032213312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194882578 (or 194882568 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 212032213312 its reverse (213312230212), we get a palindrome (425344443524).
The spelling of 212032213312 in words is "two hundred twelve billion, thirty-two million, two hundred thirteen thousand, three hundred twelve".
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