Base | Representation |
---|---|
bin | 1110010101001… |
… | …11100110000010 |
3 | 22101020000111120 |
4 | 13022213212002 |
5 | 221234133010 |
6 | 15532453110 |
7 | 2656613445 |
oct | 712474602 |
9 | 271200446 |
10 | 120224130 |
11 | 61955194 |
12 | 3431a196 |
13 | 1bba4c50 |
14 | 11d7765c |
15 | a84be70 |
hex | 72a7982 |
120224130 has 128 divisors (see below), whose sum is σ = 325721088. Its totient is φ = 28207872.
The previous prime is 120224099. The next prime is 120224131. The reversal of 120224130 is 31422021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (120224131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1123537 + ... + 1123643.
It is an arithmetic number, because the mean of its divisors is an integer number (2544696).
Almost surely, 2120224130 is an apocalyptic number.
120224130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 120224130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162860544).
120224130 is an abundant number, since it is smaller than the sum of its proper divisors (205496958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120224130 is a wasteful number, since it uses less digits than its factorization.
120224130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 120224130 is about 10964.6764658151. The cubic root of 120224130 is about 493.5493083853.
Adding to 120224130 its reverse (31422021), we get a palindrome (151646151).
The spelling of 120224130 in words is "one hundred twenty million, two hundred twenty-four thousand, one hundred thirty".
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