Base | Representation |
---|---|
bin | 1100010110001011100… |
… | …0010000001111000000 |
3 | 202021111110201211220010 |
4 | 3011202320100033000 |
5 | 11433401222424412 |
6 | 241235410544520 |
7 | 21216224616513 |
oct | 3054270201700 |
9 | 667443654803 |
10 | 212112311232 |
11 | 81a57962978 |
12 | 35137b98140 |
13 | 17004818043 |
14 | a3a29b6d7a |
15 | 57b69cc33c |
hex | 3162e103c0 |
212112311232 has 56 divisors (see below), whose sum is σ = 563240007376. Its totient is φ = 70448836608.
The previous prime is 212112311171. The next prime is 212112311237. The reversal of 212112311232 is 232113211212.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 212112311199 and 212112311208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212112311237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940953 + ... + 2047320.
Almost surely, 2212112311232 is an apocalyptic number.
It is an amenable number.
212112311232 is an abundant number, since it is smaller than the sum of its proper divisors (351127696144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212112311232 is a wasteful number, since it uses less digits than its factorization.
212112311232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3988565 (or 3988555 counting only the distinct ones).
The product of its digits is 288, while the sum is 21.
Adding to 212112311232 its reverse (232113211212), we get a palindrome (444225522444).
The spelling of 212112311232 in words is "two hundred twelve billion, one hundred twelve million, three hundred eleven thousand, two hundred thirty-two".
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