| Base | Representation |
|---|---|
| bin | 1111100001101… |
| … | …10001000000000 |
| 3 | 100002002010201100 |
| 4 | 13300312020000 |
| 5 | 231320320440 |
| 6 | 20531334400 |
| 7 | 3141031245 |
| oct | 760661000 |
| 9 | 302063640 |
| 10 | 130245120 |
| 11 | 6757a0a5 |
| 12 | 37751400 |
| 13 | 20ca3225 |
| 14 | 134255cc |
| 15 | b67b230 |
| hex | 7c36200 |
130245120 has 120 divisors (see below), whose sum is σ = 451155276. Its totient is φ = 34725888.
The previous prime is 130245097. The next prime is 130245121. The reversal of 130245120 is 21542031.
130245120 is a `hidden beast` number, since 130 + 24 + 512 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 129413376 + 831744 = 11376^2 + 912^2 .
It is a tau number, because it is divible by the number of its divisors (120).
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 = 130245093 and 130245102.
It is not an unprimeable number, because it can be changed into a prime (130245121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20214 + ... + 25866.
Almost surely, 2130245120 is an apocalyptic number.
130245120 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 130245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225577638).
130245120 is an abundant number, since it is smaller than the sum of its proper divisors (320910156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130245120 is an equidigital number, since it uses as much as digits as its factorization.
130245120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5682 (or 5663 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 130245120 is about 11412.4984118290. The cubic root of 130245120 is about 506.8978938434.
Adding to 130245120 its reverse (21542031), we get a palindrome (151787151).
The spelling of 130245120 in words is "one hundred thirty million, two hundred forty-five thousand, one hundred twenty".
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