Base | Representation |
---|---|
bin | 1111100001100… |
… | …11101100011001 |
3 | 100002001122001111 |
4 | 13300303230121 |
5 | 231320011121 |
6 | 20531220321 |
7 | 3140660230 |
oct | 760635431 |
9 | 302048044 |
10 | 130235161 |
11 | 67572671 |
12 | 377476a1 |
13 | 20c9b834 |
14 | 13421b17 |
15 | b6782e1 |
hex | 7c33b19 |
130235161 has 8 divisors (see below), whose sum is σ = 148917440. Its totient is φ = 111572208.
The previous prime is 130235159. The next prime is 130235173. The reversal of 130235161 is 161532031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130235161 - 21 = 130235159 is a prime.
It is a super-2 number, since 2×1302351612 = 33922394321391842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130235141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15115 + ... + 22111.
It is an arithmetic number, because the mean of its divisors is an integer number (18614680).
Almost surely, 2130235161 is an apocalyptic number.
It is an amenable number.
130235161 is a deficient number, since it is larger than the sum of its proper divisors (18682279).
130235161 is an equidigital number, since it uses as much as digits as its factorization.
130235161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9663.
The product of its (nonzero) digits is 540, while the sum is 22.
The square root of 130235161 is about 11412.0620836026. The cubic root of 130235161 is about 506.8849737821.
Adding to 130235161 its reverse (161532031), we get a palindrome (291767192).
It can be divided in two parts, 1302 and 35161, that added together give a palindrome (36463).
The spelling of 130235161 in words is "one hundred thirty million, two hundred thirty-five thousand, one hundred sixty-one".
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