Base | Representation |
---|---|
bin | 1100010101111000100… |
… | …1110000001001011000 |
3 | 202021021221112001020002 |
4 | 3011132021300021120 |
5 | 11433220422343222 |
6 | 241223455152132 |
7 | 21214242603362 |
oct | 3053611601130 |
9 | 667257461202 |
10 | 212033012312 |
11 | 81a17120480 |
12 | 35115515648 |
13 | 16cc1271ac4 |
14 | a396253d32 |
15 | 57aea66392 |
hex | 315e270258 |
212033012312 has 64 divisors (see below), whose sum is σ = 459476699040. Its totient is φ = 90657792000.
The previous prime is 212033012293. The next prime is 212033012327. The reversal of 212033012312 is 213210330212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654948 + ... + 2733644.
Almost surely, 2212033012312 is an apocalyptic number.
212033012312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212033012312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229738349520).
212033012312 is an abundant number, since it is smaller than the sum of its proper divisors (247443686728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212033012312 is a wasteful number, since it uses less digits than its factorization.
212033012312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80532 (or 80528 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212033012312 its reverse (213210330212), we get a palindrome (425243342524).
The spelling of 212033012312 in words is "two hundred twelve billion, thirty-three million, twelve thousand, three hundred twelve".
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