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2530055520 = 25335619601
BaseRepresentation
bin1001011011001101…
…1001010101100000
320112022202010201000
42112303121111200
520140143234040
61055015512000
7116461055106
oct22663312540
96468663630
102530055520
111089172183
125a7388600
13314223795
141a0035c76
15ec1b6130
hex96cd9560

2530055520 has 192 divisors, whose sum is σ = 9001298880. Its totient is φ = 663552000.

The previous prime is 2530055503. The next prime is 2530055527. The reversal of 2530055520 is 255500352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530055527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258720 + ... + 268320.

It is an arithmetic number, because the mean of its divisors is an integer number (46881765).

Almost surely, 22530055520 is an apocalyptic number.

2530055520 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 2530055520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500649440).

2530055520 is an abundant number, since it is smaller than the sum of its proper divisors (6471243360).

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

2530055520 is a wasteful number, since it uses less digits than its factorization.

2530055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 2530055520 is about 50299.6572552935. The cubic root of 2530055520 is about 1362.6260391217.

Adding to 2530055520 its reverse (255500352), we get a palindrome (2785555872).

The spelling of 2530055520 in words is "two billion, five hundred thirty million, fifty-five thousand, five hundred twenty".