Base | Representation |
---|---|
bin | 1111100000100… |
… | …11110011001000 |
3 | 100001210222211221 |
4 | 13300103303020 |
5 | 231301321040 |
6 | 20524331424 |
7 | 3136604320 |
oct | 760236310 |
9 | 301728757 |
10 | 130104520 |
11 | 674934a7 |
12 | 376a3b74 |
13 | 20c54230 |
14 | 133ca280 |
15 | b64e74a |
hex | 7c13cc8 |
130104520 has 128 divisors (see below), whose sum is σ = 372234240. Its totient is φ = 39813120.
The previous prime is 130104517. The next prime is 130104529. The reversal of 130104520 is 25401031.
It is a super-2 number, since 2×1301045202 = 33854372248860800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130104494 and 130104503.
It is not an unprimeable number, because it can be changed into a prime (130104529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112264 + ... + 113416.
It is an arithmetic number, because the mean of its divisors is an integer number (2908080).
Almost surely, 2130104520 is an apocalyptic number.
130104520 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 130104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186117120).
130104520 is an abundant number, since it is smaller than the sum of its proper divisors (242129720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130104520 is a wasteful number, since it uses less digits than its factorization.
130104520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1215 (or 1211 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 130104520 is about 11406.3368352859. The cubic root of 130104520 is about 506.7154289019.
Adding to 130104520 its reverse (25401031), we get a palindrome (155505551).
The spelling of 130104520 in words is "one hundred thirty million, one hundred four thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.114 sec. • engine limits •