Base | Representation |
---|---|
bin | 1011010000000001… |
… | …1001011110001101 |
3 | 21210110200001120212 |
4 | 2310000121132031 |
5 | 22141110100323 |
6 | 1215401052205 |
7 | 134560414043 |
oct | 26400313615 |
9 | 7713601525 |
10 | 3020003213 |
11 | 130a793127 |
12 | 703487065 |
13 | 391899266 |
14 | 209132393 |
15 | 12a1e5b78 |
hex | b401978d |
3020003213 has 4 divisors (see below), whose sum is σ = 3020509500. Its totient is φ = 3019496928.
The previous prime is 3020003179. The next prime is 3020003227. The reversal of 3020003213 is 3123000203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3123000203 = 643 ⋅4856921.
It can be written as a sum of positive squares in 2 ways, for example, as 2101488964 + 918514249 = 45842^2 + 30307^2 .
It is a cyclic number.
It is not a de Polignac number, because 3020003213 - 214 = 3019986829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3020003713) 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, 244088 + ... + 256161.
It is an arithmetic number, because the mean of its divisors is an integer number (755127375).
Almost surely, 23020003213 is an apocalyptic number.
It is an amenable number.
3020003213 is a deficient number, since it is larger than the sum of its proper divisors (506287).
3020003213 is an equidigital number, since it uses as much as digits as its factorization.
3020003213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506286.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 3020003213 is about 54954.5558893892. Note that the first 3 decimals coincide. The cubic root of 3020003213 is about 1445.4479860015.
Adding to 3020003213 its reverse (3123000203), we get a palindrome (6143003416).
The spelling of 3020003213 in words is "three billion, twenty million, three thousand, two hundred thirteen".
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