Base | Representation |
---|---|
bin | 1111001001110… |
… | …11001111101001 |
3 | 22212012101100112 |
4 | 13210323033221 |
5 | 230020322421 |
6 | 20340344105 |
7 | 3102335204 |
oct | 744731751 |
9 | 285171315 |
10 | 127120361 |
11 | 65835455 |
12 | 366a5035 |
13 | 2044ab64 |
14 | 12c5093b |
15 | b26045b |
hex | 793b3e9 |
127120361 has 2 divisors, whose sum is σ = 127120362. Its totient is φ = 127120360.
The previous prime is 127120351. The next prime is 127120403. The reversal of 127120361 is 163021721.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 125865961 + 1254400 = 11219^2 + 1120^2 .
It is a cyclic number.
It is not a de Polignac number, because 127120361 - 26 = 127120297 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (127120321) 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, 63560180 + 63560181.
It is an arithmetic number, because the mean of its divisors is an integer number (63560181).
Almost surely, 2127120361 is an apocalyptic number.
It is an amenable number.
127120361 is a deficient number, since it is larger than the sum of its proper divisors (1).
127120361 is an equidigital number, since it uses as much as digits as its factorization.
127120361 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 127120361 is about 11274.7665607763. The cubic root of 127120361 is about 502.8113114306.
The spelling of 127120361 in words is "one hundred twenty-seven million, one hundred twenty thousand, three hundred sixty-one".
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