Base | Representation |
---|---|
bin | 100110110101100… |
… | …0011001110010110 |
3 | 10100211001220201020 |
4 | 1031223003032112 |
5 | 10132100143110 |
6 | 333150342010 |
7 | 44202300555 |
oct | 11553031626 |
9 | 3324056636 |
10 | 1303131030 |
11 | 6096466a3 |
12 | 3044ba906 |
13 | 179c93166 |
14 | c50d7d9c |
15 | 7960cd70 |
hex | 4dac3396 |
1303131030 has 32 divisors (see below), whose sum is σ = 3170362464. Its totient is φ = 342740736.
The previous prime is 1303131019. The next prime is 1303131031. The reversal of 1303131030 is 301313031.
1303131030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303131031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295329 + ... + 299708.
It is an arithmetic number, because the mean of its divisors is an integer number (99073827).
Almost surely, 21303131030 is an apocalyptic number.
1303131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1303131030 is an abundant number, since it is smaller than the sum of its proper divisors (1867231434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1303131030 is a wasteful number, since it uses less digits than its factorization.
1303131030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 595120.
The product of its (nonzero) digits is 81, while the sum is 15.
The square root of 1303131030 is about 36098.9062161169. The cubic root of 1303131030 is about 1092.2683815514.
Adding to 1303131030 its reverse (301313031), we get a palindrome (1604444061).
The spelling of 1303131030 in words is "one billion, three hundred three million, one hundred thirty-one thousand, thirty".
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