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2001330031200 = 25352833887513
BaseRepresentation
bin11101000111111000100…
…100001100101001100000
321002022210010112102202220
4131013320210030221200
5230242210441444300
64131222012111040
7264406552404033
oct35077044145140
97068703472686
102001330031200
1170183969aa25
12283a55465480
13116955c85596
146cc1738b01a
15370d4b50da0
hex1d1f890ca60

2001330031200 has 72 divisors (see below), whose sum is σ = 6514329259368. Its totient is φ = 533688007680.

The previous prime is 2001330031193. The next prime is 2001330031229. The reversal of 2001330031200 is 21300331002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001330031200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416941357 + ... + 416946156.

It is an arithmetic number, because the mean of its divisors is an integer number (90476795269).

Almost surely, 22001330031200 is an apocalyptic number.

2001330031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001330031200 is an abundant number, since it is smaller than the sum of its proper divisors (4512999228168).

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

2001330031200 is a wasteful number, since it uses less digits than its factorization.

2001330031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833887536 (or 833887523 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2001330031200 its reverse (21300331002), we get a palindrome (2022630362202).

The spelling of 2001330031200 in words is "two trillion, one billion, three hundred thirty million, thirty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 833887513 1667775026 2501662539 3335550052 4169437565 5003325078 6671100104 8338875130 10006650156 12508312695 13342200208 16677750260 20013300312 20847187825 25016625390 26684400416 33355500520 40026600624 41694375650 50033250780 62541563475 66711001040 80053201248 83388751300 100066501560 125083126950 133422002080 166777502600 200133003120 250166253900 333555005200 400266006240 500332507800 667110010400 1000665015600 2001330031200