Base | Representation |
---|---|
bin | 101001001111001… |
… | …0001101001111011 |
3 | 10120102121122010211 |
4 | 1102132101221323 |
5 | 10313204341342 |
6 | 345144451551 |
7 | 46200662335 |
oct | 12236215173 |
9 | 3512548124 |
10 | 1383668347 |
11 | 650054566 |
12 | 327479bb7 |
13 | 190880c89 |
14 | d1aa0455 |
15 | 8171ac17 |
hex | 52791a7b |
1383668347 has 2 divisors, whose sum is σ = 1383668348. Its totient is φ = 1383668346.
The previous prime is 1383668281. The next prime is 1383668357. The reversal of 1383668347 is 7438663831.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (7438663831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1383668347 - 27 = 1383668219 is a prime.
It is a super-3 number, since 3×13836683473 (a number of 28 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1383668347.
It is not a weakly prime, because it can be changed into another prime (1383668357) 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 as a sum of consecutive naturals, namely, 691834173 + 691834174.
It is an arithmetic number, because the mean of its divisors is an integer number (691834174).
Almost surely, 21383668347 is an apocalyptic number.
1383668347 is a deficient number, since it is larger than the sum of its proper divisors (1).
1383668347 is an equidigital number, since it uses as much as digits as its factorization.
1383668347 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1741824, while the sum is 49.
The square root of 1383668347 is about 37197.6927644713. The cubic root of 1383668347 is about 1114.3219072031.
The spelling of 1383668347 in words is "one billion, three hundred eighty-three million, six hundred sixty-eight thousand, three hundred forty-seven".
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