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130530321500 = 2253261060643
BaseRepresentation
bin111100110010000110…
…1101010010001011100
3110110220212211100221212
41321210031222101130
54114311230242000
6135544221443552
712300443266115
oct1714415522134
9413825740855
10130530321500
11503a2a66567
122136a4105b8
13c402a15037
146463ab520c
1535de6bac35
hex1e6436a45c

130530321500 has 24 divisors (see below), whose sum is σ = 285078223248. Its totient is φ = 52212128400.

The previous prime is 130530321491. The next prime is 130530321503. The reversal of 130530321500 is 5123035031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130530321503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130529822 + ... + 130530821.

It is an arithmetic number, because the mean of its divisors is an integer number (11878259302).

Almost surely, 2130530321500 is an apocalyptic number.

130530321500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130530321500 is an abundant number, since it is smaller than the sum of its proper divisors (154547901748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130530321500 is a wasteful number, since it uses less digits than its factorization.

130530321500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261060662 (or 261060650 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 130530321500 its reverse (5123035031), we get a palindrome (135653356531).

The spelling of 130530321500 in words is "one hundred thirty billion, five hundred thirty million, three hundred twenty-one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 261060643 522121286 1044242572 1305303215 2610606430 5221212860 6526516075 13053032150 26106064300 32632580375 65265160750 130530321500