Base | Representation |
---|---|
bin | 1110010101001… |
… | …00001011011001 |
3 | 22101012022022022 |
4 | 13022210023121 |
5 | 221233211022 |
6 | 15532304225 |
7 | 2656524605 |
oct | 712441331 |
9 | 271168268 |
10 | 120210137 |
11 | 61945723 |
12 | 34312075 |
13 | 1bb9b778 |
14 | 11d72505 |
15 | a847c42 |
hex | 72a42d9 |
120210137 has 2 divisors, whose sum is σ = 120210138. Its totient is φ = 120210136.
The previous prime is 120210109. The next prime is 120210143. The reversal of 120210137 is 731012021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 120209296 + 841 = 10964^2 + 29^2 .
It is a cyclic number.
It is not a de Polignac number, because 120210137 - 222 = 116015833 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (120210197) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105068 + 60105069.
It is an arithmetic number, because the mean of its divisors is an integer number (60105069).
Almost surely, 2120210137 is an apocalyptic number.
It is an amenable number.
120210137 is a deficient number, since it is larger than the sum of its proper divisors (1).
120210137 is an equidigital number, since it uses as much as digits as its factorization.
120210137 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 120210137 is about 10964.0383527239. The cubic root of 120210137 is about 493.5301594191.
Adding to 120210137 its reverse (731012021), we get a palindrome (851222158).
The spelling of 120210137 in words is "one hundred twenty million, two hundred ten thousand, one hundred thirty-seven".
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