Base | Representation |
---|---|
bin | 10001111010001… |
… | …01100001111001 |
3 | 101110200112102002 |
4 | 20331011201321 |
5 | 301424344121 |
6 | 22523550345 |
7 | 3502641503 |
oct | 1075054171 |
9 | 343615362 |
10 | 150231161 |
11 | 7788a993 |
12 | 4238b3b5 |
13 | 251801a2 |
14 | 15d48d73 |
15 | d2c7e0b |
hex | 8f45879 |
150231161 has 2 divisors, whose sum is σ = 150231162. Its totient is φ = 150231160.
The previous prime is 150231143. The next prime is 150231167. The reversal of 150231161 is 161132051.
150231161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 134676025 + 15555136 = 11605^2 + 3944^2 .
It is a cyclic number.
It is not a de Polignac number, because 150231161 - 210 = 150230137 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (150231167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75115580 + 75115581.
It is an arithmetic number, because the mean of its divisors is an integer number (75115581).
Almost surely, 2150231161 is an apocalyptic number.
It is an amenable number.
150231161 is a deficient number, since it is larger than the sum of its proper divisors (1).
150231161 is an equidigital number, since it uses as much as digits as its factorization.
150231161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 180, while the sum is 20.
The square root of 150231161 is about 12256.8821892029. The cubic root of 150231161 is about 531.6020836354.
The spelling of 150231161 in words is "one hundred fifty million, two hundred thirty-one thousand, one hundred sixty-one".
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