Base | Representation |
---|---|
bin | 1111010111000000… |
… | …0101111100001001 |
3 | 101122100012101020121 |
4 | 3311300011330021 |
5 | 31420443301121 |
6 | 1521042423241 |
7 | 204113064343 |
oct | 36560057411 |
9 | 11570171217 |
10 | 4123025161 |
11 | 1826381912 |
12 | 970961b21 |
13 | 509267578 |
14 | 2b181a293 |
15 | 191e77141 |
hex | f5c05f09 |
4123025161 has 2 divisors, whose sum is σ = 4123025162. Its totient is φ = 4123025160.
The previous prime is 4123025143. The next prime is 4123025173. The reversal of 4123025161 is 1615203214.
It is a happy number.
4123025161 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., 4112785161 + 10240000 = 64131^2 + 3200^2 .
It is a cyclic number.
It is not a de Polignac number, because 4123025161 - 225 = 4089470729 is a prime.
It is not a weakly prime, because it can be changed into another prime (4123025111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061512580 + 2061512581.
It is an arithmetic number, because the mean of its divisors is an integer number (2061512581).
Almost surely, 24123025161 is an apocalyptic number.
It is an amenable number.
4123025161 is a deficient number, since it is larger than the sum of its proper divisors (1).
4123025161 is an equidigital number, since it uses as much as digits as its factorization.
4123025161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 4123025161 is about 64210.7869520379. The cubic root of 4123025161 is about 1603.5111902499.
Adding to 4123025161 its reverse (1615203214), we get a palindrome (5738228375).
The spelling of 4123025161 in words is "four billion, one hundred twenty-three million, twenty-five thousand, one hundred sixty-one".
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