Base | Representation |
---|---|
bin | 1111100000001… |
… | …10000000001000 |
3 | 100001201010022220 |
4 | 13300012000020 |
5 | 231243014013 |
6 | 20523214040 |
7 | 3136250466 |
oct | 760060010 |
9 | 301633286 |
10 | 130048008 |
11 | 67454aa2 |
12 | 37677320 |
13 | 20c345ac |
14 | 133b3836 |
15 | b63cb23 |
hex | 7c06008 |
130048008 has 64 divisors (see below), whose sum is σ = 348753600. Its totient is φ = 40285440.
The previous prime is 130048001. The next prime is 130048031. The reversal of 130048008 is 800840031.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (130048001) 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, 21478 + ... + 26858.
It is an arithmetic number, because the mean of its divisors is an integer number (5449275).
Almost surely, 2130048008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130048008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174376800).
130048008 is an abundant number, since it is smaller than the sum of its proper divisors (218705592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130048008 is a wasteful number, since it uses less digits than its factorization.
130048008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5462 (or 5458 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 130048008 is about 11403.8593467299. The cubic root of 130048008 is about 506.6420528979.
Adding to 130048008 its reverse (800840031), we get a palindrome (930888039).
It can be divided in two parts, 13004 and 8008, that added together give a palindrome (21012).
The spelling of 130048008 in words is "one hundred thirty million, forty-eight thousand, eight".
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