Base | Representation |
---|---|
bin | 11001110011001001… |
… | …10000010110001101 |
3 | 1022202021210111100022 |
4 | 30321210300112031 |
5 | 211331303312123 |
6 | 10210223311525 |
7 | 1000144120046 |
oct | 147144602615 |
9 | 38667714308 |
10 | 13850838413 |
11 | 59684899a5 |
12 | 282674b5a5 |
13 | 13c9744799 |
14 | 9557698cd |
15 | 560ebc1c8 |
hex | 33993058d |
13850838413 has 2 divisors, whose sum is σ = 13850838414. Its totient is φ = 13850838412.
The previous prime is 13850838361. The next prime is 13850838431. The reversal of 13850838413 is 31483805831.
It is a happy number.
Together with next prime (13850838431) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12473092489 + 1377745924 = 111683^2 + 37118^2 .
It is an emirp because it is prime and its reverse (31483805831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13850838413 - 210 = 13850837389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13850838433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925419206 + 6925419207.
It is an arithmetic number, because the mean of its divisors is an integer number (6925419207).
Almost surely, 213850838413 is an apocalyptic number.
It is an amenable number.
13850838413 is a deficient number, since it is larger than the sum of its proper divisors (1).
13850838413 is an equidigital number, since it uses as much as digits as its factorization.
13850838413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 276480, while the sum is 44.
The spelling of 13850838413 in words is "thirteen billion, eight hundred fifty million, eight hundred thirty-eight thousand, four hundred thirteen".
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