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2530203000 = 233531364877
BaseRepresentation
bin1001011011001111…
…1101010101111000
320112100000122000020
42112303331111320
520140212444000
61055023010440
7116462241063
oct22663752570
96470018006
102530203000
111089262a66
125a7439a20
13314275950
141a00738da
15ec1e4ba0
hex96cfd578

2530203000 has 128 divisors (see below), whose sum is σ = 8501613120. Its totient is φ = 622809600.

The previous prime is 2530202993. The next prime is 2530203031. The reversal of 2530203000 is 3020352.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6562 + ... + 71438.

Almost surely, 22530203000 is an apocalyptic number.

2530203000 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 2530203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4250806560).

2530203000 is an abundant number, since it is smaller than the sum of its proper divisors (5971410120).

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

2530203000 is a wasteful number, since it uses less digits than its factorization.

2530203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64914 (or 64900 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 2530203000 is about 50301.1232478958. The cubic root of 2530203000 is about 1362.6525149812.

Adding to 2530203000 its reverse (3020352), we get a palindrome (2533223352).

The spelling of 2530203000 in words is "two billion, five hundred thirty million, two hundred three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 125 130 150 156 195 200 250 260 300 312 325 375 390 500 520 600 650 750 780 975 1000 1300 1500 1560 1625 1950 2600 3000 3250 3900 4875 6500 7800 9750 13000 19500 39000 64877 129754 194631 259508 324385 389262 519016 648770 778524 843401 973155 1297540 1557048 1621925 1686802 1946310 2530203 2595080 3243850 3373604 3892620 4217005 4865775 5060406 6487700 6747208 7785240 8109625 8434010 9731550 10120812 12651015 12975400 16219250 16868020 19463100 20241624 21085025 24328875 25302030 32438500 33736040 38926200 42170050 48657750 50604060 63255075 64877000 84340100 97315500 101208120 105425125 126510150 168680200 194631000 210850250 253020300 316275375 421700500 506040600 632550750 843401000 1265101500 2530203000