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2001213030 = 23566707101
BaseRepresentation
bin111011101001000…
…0001011001100110
312011110122011012010
41313102001121212
513044302304110
6530324535050
7100410013215
oct16722013146
95143564163
102001213030
119376a5a73
1247a251486
1325b7b052b
1414dad307c
15baa52020
hex77481666

2001213030 has 16 divisors (see below), whose sum is σ = 4802911344. Its totient is φ = 533656800.

The previous prime is 2001213007. The next prime is 2001213079. The reversal of 2001213030 is 303121002.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2001212997 and 2001213015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33353521 + ... + 33353580.

It is an arithmetic number, because the mean of its divisors is an integer number (300181959).

Almost surely, 22001213030 is an apocalyptic number.

2001213030 is an abundant number, since it is smaller than the sum of its proper divisors (2801698314).

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

2001213030 is a wasteful number, since it uses less digits than its factorization.

2001213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66707111.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2001213030 is about 44734.9195819105. The cubic root of 2001213030 is about 1260.1757187535.

Adding to 2001213030 its reverse (303121002), we get a palindrome (2304334032).

The spelling of 2001213030 in words is "two billion, one million, two hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 66707101 133414202 200121303 333535505 400242606 667071010 1000606515 2001213030