Base | Representation |
---|---|
bin | 11001010111011… |
… | …11001011001101 |
3 | 112211101221202200 |
4 | 30223233023031 |
5 | 413433321023 |
6 | 33040512113 |
7 | 5162462610 |
oct | 1453571315 |
9 | 484357680 |
10 | 212792013 |
11 | aa12a875 |
12 | 5b31b639 |
13 | 35115945 |
14 | 20392177 |
15 | 13a34743 |
hex | caef2cd |
212792013 has 12 divisors (see below), whose sum is σ = 351275808. Its totient is φ = 121595400.
The previous prime is 212791981. The next prime is 212792017. The reversal of 212792013 is 310297212.
It is not a de Polignac number, because 212792013 - 25 = 212791981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212792017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1688763 + ... + 1688888.
It is an arithmetic number, because the mean of its divisors is an integer number (29272984).
Almost surely, 2212792013 is an apocalyptic number.
It is an amenable number.
212792013 is a deficient number, since it is larger than the sum of its proper divisors (138483795).
212792013 is a wasteful number, since it uses less digits than its factorization.
212792013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3377664 (or 3377661 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 212792013 is about 14587.3922618129. The cubic root of 212792013 is about 597.0148140731.
The spelling of 212792013 in words is "two hundred twelve million, seven hundred ninety-two thousand, thirteen".
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