Base | Representation |
---|---|
bin | 1111100010010… |
… | …00011111000000 |
3 | 100002012221212112 |
4 | 13301020133000 |
5 | 231330222240 |
6 | 20533114452 |
7 | 3141463424 |
oct | 761103700 |
9 | 302187775 |
10 | 130320320 |
11 | 67620649 |
12 | 37788a28 |
13 | 20ccb520 |
14 | 13444b84 |
15 | b693665 |
hex | 7c487c0 |
130320320 has 56 divisors (see below), whose sum is σ = 334207104. Its totient is φ = 48116736.
The previous prime is 130320319. The next prime is 130320343. The reversal of 130320320 is 23023031.
It is a junction number, because it is equal to n+sod(n) for n = 130320295 and 130320304.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11504 + ... + 19823.
It is an arithmetic number, because the mean of its divisors is an integer number (5967984).
Almost surely, 2130320320 is an apocalyptic number.
130320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130320320 is an abundant number, since it is smaller than the sum of its proper divisors (203886784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130320320 is a wasteful number, since it uses less digits than its factorization.
130320320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31357 (or 31347 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 130320320 is about 11415.7925699445. The cubic root of 130320320 is about 506.9954314395.
Adding to 130320320 its reverse (23023031), we get a palindrome (153343351).
The spelling of 130320320 in words is "one hundred thirty million, three hundred twenty thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •