Base | Representation |
---|---|
bin | 111000000101001010… |
… | …0011111111101001100 |
3 | 102111212010111011220010 |
4 | 1300022110133331030 |
5 | 3433121122331340 |
6 | 131154212353220 |
7 | 11462265031551 |
oct | 1601224377514 |
9 | 374763434803 |
10 | 120432230220 |
11 | 47090944085 |
12 | 1b410615810 |
13 | b483901ab3 |
14 | 5b868daa28 |
15 | 31ecdd3b80 |
hex | 1c0a51ff4c |
120432230220 has 96 divisors (see below), whose sum is σ = 345579252480. Its totient is φ = 31320495360.
The previous prime is 120432230213. The next prime is 120432230221. The reversal of 120432230220 is 22032234021.
It is not an unprimeable number, because it can be changed into a prime (120432230221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670071 + ... + 1740689.
It is an arithmetic number, because the mean of its divisors is an integer number (3599783880).
Almost surely, 2120432230220 is an apocalyptic number.
120432230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 120432230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172789626240).
120432230220 is an abundant number, since it is smaller than the sum of its proper divisors (225147022260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120432230220 is a wasteful number, since it uses less digits than its factorization.
120432230220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71335 (or 71333 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 120432230220 its reverse (22032234021), we get a palindrome (142464464241).
The spelling of 120432230220 in words is "one hundred twenty billion, four hundred thirty-two million, two hundred thirty thousand, two hundred twenty".
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