Base | Representation |
---|---|
bin | 1110010100100… |
… | …00111000110000 |
3 | 22101001021220202 |
4 | 13022100320300 |
5 | 221223143440 |
6 | 15530454332 |
7 | 2656045334 |
oct | 712207060 |
9 | 271037822 |
10 | 120131120 |
11 | 618a131a |
12 | 342943a8 |
13 | 1bb71805 |
14 | 11d517c4 |
15 | a82e615 |
hex | 7290e30 |
120131120 has 20 divisors (see below), whose sum is σ = 279305040. Its totient is φ = 48052416.
The previous prime is 120131111. The next prime is 120131159. The reversal of 120131120 is 21131021.
It is a tau number, because it is divible by the number of its divisors (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750740 + ... + 750899.
It is an arithmetic number, because the mean of its divisors is an integer number (13965252).
Almost surely, 2120131120 is an apocalyptic number.
120131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120131120 is an abundant number, since it is smaller than the sum of its proper divisors (159173920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120131120 is a wasteful number, since it uses less digits than its factorization.
120131120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1501652 (or 1501646 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 120131120 is about 10960.4342979647. The cubic root of 120131120 is about 493.4219993218.
Adding to 120131120 its reverse (21131021), we get a palindrome (141262141).
Subtracting from 120131120 its reverse (21131021), we obtain a palindrome (99000099).
The spelling of 120131120 in words is "one hundred twenty million, one hundred thirty-one thousand, one hundred twenty".
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