Base | Representation |
---|---|
bin | 111000000001100110… |
… | …1110010000100101101 |
3 | 102111112211012010102202 |
4 | 1300003031302010231 |
5 | 3432400113411114 |
6 | 131134313431245 |
7 | 11456316605063 |
oct | 1600315620455 |
9 | 374484163382 |
10 | 120313028909 |
11 | 4702a6283a7 |
12 | 1b39870b525 |
13 | b464cc7588 |
14 | 5b74b4c033 |
15 | 31e26d9cde |
hex | 1c0337212d |
120313028909 has 2 divisors, whose sum is σ = 120313028910. Its totient is φ = 120313028908.
The previous prime is 120313028851. The next prime is 120313028947. The reversal of 120313028909 is 909820313021.
It is an a-pointer prime, because the next prime (120313028947) can be obtained adding 120313028909 to its sum of digits (38).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 62811386884 + 57501642025 = 250622^2 + 239795^2 .
It is an emirp because it is prime and its reverse (909820313021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120313028909 - 28 = 120313028653 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120313028959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60156514454 + 60156514455.
It is an arithmetic number, because the mean of its divisors is an integer number (60156514455).
Almost surely, 2120313028909 is an apocalyptic number.
It is an amenable number.
120313028909 is a deficient number, since it is larger than the sum of its proper divisors (1).
120313028909 is an equidigital number, since it uses as much as digits as its factorization.
120313028909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23328, while the sum is 38.
The spelling of 120313028909 in words is "one hundred twenty billion, three hundred thirteen million, twenty-eight thousand, nine hundred nine".
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