Base | Representation |
---|---|
bin | 1111100001011… |
… | …00000000000000 |
3 | 100002000000211100 |
4 | 13300230000000 |
5 | 231313004043 |
6 | 20530414400 |
7 | 3140466321 |
oct | 760540000 |
9 | 302000740 |
10 | 130203648 |
11 | 67550a23 |
12 | 37731400 |
13 | 20c8a3a3 |
14 | 13414448 |
15 | b66dcd3 |
hex | 7c2c000 |
130203648 has 90 divisors (see below), whose sum is σ = 376558364. Its totient is φ = 43352064.
The previous prime is 130203643. The next prime is 130203683. The reversal of 130203648 is 846302031.
It is a happy number.
130203648 is a `hidden beast` number, since 13 + 0 + 2 + 0 + 3 + 648 = 666.
It is not an unprimeable number, because it can be changed into a prime (130203643) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147015 + ... + 147897.
Almost surely, 2130203648 is an apocalyptic number.
130203648 is a gapful number since it is divisible by the number (18) 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 130203648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188279182).
130203648 is an abundant number, since it is smaller than the sum of its proper divisors (246354716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130203648 is an frugal number, since it uses more digits than its factorization.
130203648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917 (or 888 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 130203648 is about 11410.6813118236. The cubic root of 130203648 is about 506.8440868342.
Adding to 130203648 its reverse (846302031), we get a palindrome (976505679).
The spelling of 130203648 in words is "one hundred thirty million, two hundred three thousand, six hundred forty-eight".
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