Base | Representation |
---|---|
bin | 1110010110100… |
… | …00110100111011 |
3 | 22101112121011201 |
4 | 13023100310323 |
5 | 221310034034 |
6 | 15540235031 |
7 | 2661216025 |
oct | 713206473 |
9 | 271477151 |
10 | 120393019 |
11 | 61a6006a |
12 | 3439ba77 |
13 | 1bc33a96 |
14 | 11dbd015 |
15 | a882014 |
hex | 72d0d3b |
120393019 has 2 divisors, whose sum is σ = 120393020. Its totient is φ = 120393018.
The previous prime is 120392999. The next prime is 120393047. The reversal of 120393019 is 910393021.
It is an a-pointer prime, because the next prime (120393047) can be obtained adding 120393019 to its sum of digits (28).
It is a weak prime.
It is an emirp because it is prime and its reverse (910393021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120393019 - 29 = 120392507 is a prime.
It is a super-2 number, since 2×1203930192 = 28988958047868722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (120393089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60196509 + 60196510.
It is an arithmetic number, because the mean of its divisors is an integer number (60196510).
Almost surely, 2120393019 is an apocalyptic number.
120393019 is a deficient number, since it is larger than the sum of its proper divisors (1).
120393019 is an equidigital number, since it uses as much as digits as its factorization.
120393019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1458, while the sum is 28.
The square root of 120393019 is about 10972.3752670058. The cubic root of 120393019 is about 493.7803103969.
The spelling of 120393019 in words is "one hundred twenty million, three hundred ninety-three thousand, nineteen".
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