Base | Representation |
---|---|
bin | 1011111011000… |
… | …1110001001101 |
3 | 10111002211111011 |
4 | 2332301301031 |
5 | 100300324323 |
6 | 4543525221 |
7 | 1145042200 |
oct | 276616115 |
9 | 114084434 |
10 | 50011213 |
11 | 2625918a |
12 | 148b9811 |
13 | a490545 |
14 | 68db937 |
15 | 45cd20d |
hex | 2fb1c4d |
50011213 has 12 divisors (see below), whose sum is σ = 58358880. Its totient is φ = 42732312.
The previous prime is 50011189. The next prime is 50011217. The reversal of 50011213 is 31211005.
It is not a de Polignac number, because 50011213 - 217 = 49880141 is a prime.
It is a super-2 number, since 2×500112132 = 5002242851462738, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50011193 and 50011202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50011217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16170 + ... + 19012.
It is an arithmetic number, because the mean of its divisors is an integer number (4863240).
Almost surely, 250011213 is an apocalyptic number.
It is an amenable number.
50011213 is a deficient number, since it is larger than the sum of its proper divisors (8347667).
50011213 is a wasteful number, since it uses less digits than its factorization.
50011213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3216 (or 3209 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 50011213 is about 7071.8606462515. The cubic root of 50011213 is about 368.4306871691.
Adding to 50011213 its reverse (31211005), we get a palindrome (81222218).
The spelling of 50011213 in words is "fifty million, eleven thousand, two hundred thirteen".
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