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2012303040 = 263511296571
BaseRepresentation
bin111011111110001…
…0100111011000000
312012020111120211020
41313330110323000
513110122144130
6531402345440
7100603202466
oct16774247300
95166446736
102012303040
11942990070
12481abb280
13260b94277
1415137c836
15bb9e2e10
hex77f14ec0

2012303040 has 224 divisors, whose sum is σ = 7211324160. Its totient is φ = 470937600.

The previous prime is 2012303023. The next prime is 2012303047. The reversal of 2012303040 is 403032102.

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

It is not an unprimeable number, because it can be changed into a prime (2012303047) by changing a digit.

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, 302955 + ... + 309525.

Almost surely, 22012303040 is an apocalyptic number.

2012303040 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 2012303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3605662080).

2012303040 is an abundant number, since it is smaller than the sum of its proper divisors (5199021120).

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

2012303040 is a wasteful number, since it uses less digits than its factorization.

2012303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631 (or 6621 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2012303040 is about 44858.7008282674. The cubic root of 2012303040 is about 1262.4992470015.

Adding to 2012303040 its reverse (403032102), we get a palindrome (2415335142).

The spelling of 2012303040 in words is "two billion, twelve million, three hundred three thousand, forty".