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2003212000 = 25531789331
BaseRepresentation
bin111011101100110…
…1001011011100000
312011121101201021001
41313121221123200
513100310241000
6530435441344
7100433010136
oct16731513340
95147351231
102003212000
11938840909
1247aa56254
1325c03035a
14150093756
15bace946a
hex776696e0

2003212000 has 192 divisors, whose sum is σ = 5285891520. Its totient is φ = 743424000.

The previous prime is 2003211961. The next prime is 2003212019. The reversal of 2003212000 is 2123002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6051835 + ... + 6052165.

It is an arithmetic number, because the mean of its divisors is an integer number (27530685).

Almost surely, 22003212000 is an apocalyptic number.

2003212000 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 2003212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642945760).

2003212000 is an abundant number, since it is smaller than the sum of its proper divisors (3282679520).

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

2003212000 is a wasteful number, since it uses less digits than its factorization.

2003212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2003212000 is about 44757.2563949132. The cubic root of 2003212000 is about 1260.5951668816.

Adding to 2003212000 its reverse (2123002), we get a palindrome (2005335002).

The spelling of 2003212000 in words is "two billion, three million, two hundred twelve thousand".