Base | Representation |
---|---|
bin | 1110010110001… |
… | …01000111000110 |
3 | 22101110011100100 |
4 | 13023011013012 |
5 | 221302020110 |
6 | 15535224530 |
7 | 2660626101 |
oct | 713050706 |
9 | 271404310 |
10 | 120345030 |
11 | 61a28003 |
12 | 34378146 |
13 | 1bc17ca0 |
14 | 11da9738 |
15 | a872bc0 |
hex | 72c51c6 |
120345030 has 48 divisors (see below), whose sum is σ = 336969360. Its totient is φ = 29623104.
The previous prime is 120345013. The next prime is 120345061. The reversal of 120345030 is 30543021.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 120344994 and 120345012.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 50260 + ... + 52599.
It is an arithmetic number, because the mean of its divisors is an integer number (7020195).
Almost surely, 2120345030 is an apocalyptic number.
120345030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120345030 is an abundant number, since it is smaller than the sum of its proper divisors (216624330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120345030 is a wasteful number, since it uses less digits than its factorization.
120345030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102885 (or 102882 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 120345030 is about 10970.1882390413. The cubic root of 120345030 is about 493.7146942656.
Adding to 120345030 its reverse (30543021), we get a palindrome (150888051).
The spelling of 120345030 in words is "one hundred twenty million, three hundred forty-five thousand, thirty".
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