Base | Representation |
---|---|
bin | 1110010101010… |
… | …01010011011010 |
3 | 22101020101002211 |
4 | 13022221103122 |
5 | 221234344010 |
6 | 15532545334 |
7 | 2656643035 |
oct | 712512332 |
9 | 271211084 |
10 | 120231130 |
11 | 6195a478 |
12 | 3432224a |
13 | 1bba81a6 |
14 | 11d7a01c |
15 | a84e08a |
hex | 72a94da |
120231130 has 16 divisors (see below), whose sum is σ = 222265800. Its totient is φ = 46792512.
The previous prime is 120231121. The next prime is 120231169. The reversal of 120231130 is 31132021.
It can be written as a sum of positive squares in 4 ways, for example, as 117744201 + 2486929 = 10851^2 + 1577^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 120231130.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162105 + ... + 162844.
Almost surely, 2120231130 is an apocalyptic number.
120231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120231130 is a deficient number, since it is larger than the sum of its proper divisors (102034670).
120231130 is a wasteful number, since it uses less digits than its factorization.
120231130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324993.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 120231130 is about 10964.9956680338. The cubic root of 120231130 is about 493.5588871005.
Adding to 120231130 its reverse (31132021), we get a palindrome (151363151).
The spelling of 120231130 in words is "one hundred twenty million, two hundred thirty-one thousand, one hundred thirty".
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