Base | Representation |
---|---|
bin | 1110010100010… |
… | …11000010011001 |
3 | 22101000002001101 |
4 | 13022023002121 |
5 | 221221412121 |
6 | 15530151401 |
7 | 2655615436 |
oct | 712130231 |
9 | 271002041 |
10 | 120107161 |
11 | 61885319 |
12 | 34282561 |
13 | 1bb63935 |
14 | 11d46b8d |
15 | a827491 |
hex | 728b099 |
120107161 has 4 divisors (see below), whose sum is σ = 120206592. Its totient is φ = 120007732.
The previous prime is 120107149. The next prime is 120107171. The reversal of 120107161 is 161701021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120107161 - 25 = 120107129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120107101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47881 + ... + 50326.
It is an arithmetic number, because the mean of its divisors is an integer number (30051648).
Almost surely, 2120107161 is an apocalyptic number.
It is an amenable number.
120107161 is a deficient number, since it is larger than the sum of its proper divisors (99431).
120107161 is an equidigital number, since it uses as much as digits as its factorization.
120107161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99430.
The product of its (nonzero) digits is 84, while the sum is 19.
The square root of 120107161 is about 10959.3412667003. The cubic root of 120107161 is about 493.3891943786.
Adding to 120107161 its reverse (161701021), we get a palindrome (281808182).
The spelling of 120107161 in words is "one hundred twenty million, one hundred seven thousand, one hundred sixty-one".
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