Base | Representation |
---|---|
bin | 111100101111110010… |
… | …0111010010101011000 |
3 | 110110201110110011210110 |
4 | 1321133210322111120 |
5 | 4114131321434040 |
6 | 135532402244320 |
7 | 12265510133214 |
oct | 1713744722530 |
9 | 413643404713 |
10 | 130452530520 |
11 | 50363063aa4 |
12 | 213483566a0 |
13 | c3bc879280 |
14 | 6457625944 |
15 | 35d7951980 |
hex | 1e5f93a558 |
130452530520 has 128 divisors (see below), whose sum is σ = 421657387200. Its totient is φ = 32096507904.
The previous prime is 130452530503. The next prime is 130452530581. The reversal of 130452530520 is 25035254031.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3558846 + ... + 3595314.
Almost surely, 2130452530520 is an apocalyptic number.
130452530520 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 130452530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210828693600).
130452530520 is an abundant number, since it is smaller than the sum of its proper divisors (291204856680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130452530520 is a wasteful number, since it uses less digits than its factorization.
130452530520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38789 (or 38785 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 30.
Adding to 130452530520 its reverse (25035254031), we get a palindrome (155487784551).
The spelling of 130452530520 in words is "one hundred thirty billion, four hundred fifty-two million, five hundred thirty thousand, five hundred twenty".
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