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2001201200 = 24525003003
BaseRepresentation
bin111011101000111…
…1110100000110000
312011110121112221222
41313101332200300
513044301414300
6530324404212
7100406633555
oct16721764060
95143545858
102001201200
11937698099
1247a246668
1325b7a802b
1414dacca2c
15baa4d785
hex7747e830

2001201200 has 30 divisors (see below), whose sum is σ = 4807886844. Its totient is φ = 800480320.

The previous prime is 2001201199. The next prime is 2001201211. The reversal of 2001201200 is 21021002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2501102 + ... + 2501901.

Almost surely, 22001201200 is an apocalyptic number.

2001201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001201200 is an abundant number, since it is smaller than the sum of its proper divisors (2806685644).

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

2001201200 is a wasteful number, since it uses less digits than its factorization.

2001201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003021 (or 5003010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2001201200 is about 44734.7873583859. The cubic root of 2001201200 is about 1260.1732356082.

Adding to 2001201200 its reverse (21021002), we get a palindrome (2022222202).

The spelling of 2001201200 in words is "two billion, one million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 5003003 10006006 20012012 25015015 40024024 50030030 80048048 100060060 125075075 200120120 250150150 400240240 500300300 1000600600 2001201200