Base | Representation |
---|---|
bin | 1110010101110… |
… | …10110001011001 |
3 | 22101101000020212 |
4 | 13022322301121 |
5 | 221244141211 |
6 | 15534300505 |
7 | 2660361452 |
oct | 712726131 |
9 | 271330225 |
10 | 120302681 |
11 | 619a9204 |
12 | 34357735 |
13 | 1bc01925 |
14 | 11d98129 |
15 | a86538b |
hex | 72bac59 |
120302681 has 2 divisors, whose sum is σ = 120302682. Its totient is φ = 120302680.
The previous prime is 120302669. The next prime is 120302717. The reversal of 120302681 is 186203021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 91776400 + 28526281 = 9580^2 + 5341^2 .
It is a cyclic number.
It is not a de Polignac number, because 120302681 - 26 = 120302617 is a prime.
It is a super-2 number, since 2×1203026812 = 28945470111575522, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (120302641) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151340 + 60151341.
It is an arithmetic number, because the mean of its divisors is an integer number (60151341).
Almost surely, 2120302681 is an apocalyptic number.
It is an amenable number.
120302681 is a deficient number, since it is larger than the sum of its proper divisors (1).
120302681 is an equidigital number, since it uses as much as digits as its factorization.
120302681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 120302681 is about 10968.2578835474. The cubic root of 120302681 is about 493.6567753065.
The spelling of 120302681 in words is "one hundred twenty million, three hundred two thousand, six hundred eighty-one".
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