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2130361500 = 2235353127211
BaseRepresentation
bin111111011111010…
…1011110010011100
312111110122120120210
41332332223302130
513330333032000
6551221012420
7103535526321
oct17676536234
95443576523
102130361500
119a3596143
124b5554110
1327c48b547
14162d10b48
15c7063350
hex7efabc9c

2130361500 has 192 divisors, whose sum is σ = 6400622592. Its totient is φ = 550368000.

The previous prime is 2130361483. The next prime is 2130361523. The reversal of 2130361500 is 51630312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10096395 + ... + 10096605.

It is an arithmetic number, because the mean of its divisors is an integer number (33336576).

Almost surely, 22130361500 is an apocalyptic number.

2130361500 is a gapful number since it is divisible by the number (20) 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 2130361500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3200311296).

2130361500 is an abundant number, since it is smaller than the sum of its proper divisors (4270261092).

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

2130361500 is a wasteful number, since it uses less digits than its factorization.

2130361500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2130361500 is about 46155.8392838869. The cubic root of 2130361500 is about 1286.7211363674.

Adding to 2130361500 its reverse (51630312), we get a palindrome (2181991812).

The spelling of 2130361500 in words is "two billion, one hundred thirty million, three hundred sixty-one thousand, five hundred".