Base | Representation |
---|---|
bin | 1110010110001… |
… | …00111001000010 |
3 | 22101110010010000 |
4 | 13023010321002 |
5 | 221302003010 |
6 | 15535220430 |
7 | 2660623344 |
oct | 713047102 |
9 | 271403100 |
10 | 120344130 |
11 | 61a27365 |
12 | 34377716 |
13 | 1bc1775a |
14 | 11da9294 |
15 | a8727c0 |
hex | 72c4e42 |
120344130 has 40 divisors (see below), whose sum is σ = 323594172. Its totient is φ = 32091552.
The previous prime is 120344101. The next prime is 120344149. The reversal of 120344130 is 31443021.
It can be written as a sum of positive squares in 2 ways, for example, as 98188281 + 22155849 = 9909^2 + 4707^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73477 + ... + 75096.
Almost surely, 2120344130 is an apocalyptic number.
120344130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120344130 is an abundant number, since it is smaller than the sum of its proper divisors (203250042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120344130 is a wasteful number, since it uses less digits than its factorization.
120344130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148592 (or 148583 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 120344130 is about 10970.1472187022. The cubic root of 120344130 is about 493.7134635145.
Adding to 120344130 its reverse (31443021), we get a palindrome (151787151).
The spelling of 120344130 in words is "one hundred twenty million, three hundred forty-four thousand, one hundred thirty".
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