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2001330220213 = 13731457633081
BaseRepresentation
bin11101000111111000100…
…100111010110010110101
321002022210010220001001101
4131013320210322302311
5230242211014021323
64131222020130101
7264406554122062
oct35077044726265
97068703801041
102001330220213
11701839809a35
12283a55536931
1311695602061c
146cc173d9c69
15370d4b8bdad
hex1d1f893acb5

2001330220213 has 4 divisors (see below), whose sum is σ = 2002787854668. Its totient is φ = 1999872585760.

The previous prime is 2001330220133. The next prime is 2001330220259. The reversal of 2001330220213 is 3120220331002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1142553623409 + 858776596804 = 1068903^2 + 926702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2001330220213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001330220613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728815168 + ... + 728817913.

It is an arithmetic number, because the mean of its divisors is an integer number (500696963667).

Almost surely, 22001330220213 is an apocalyptic number.

It is an amenable number.

2001330220213 is a deficient number, since it is larger than the sum of its proper divisors (1457634455).

2001330220213 is a wasteful number, since it uses less digits than its factorization.

2001330220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457634454.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001330220213 its reverse (3120220331002), we get a palindrome (5121550551215).

The spelling of 2001330220213 in words is "two trillion, one billion, three hundred thirty million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 1373 1457633081 2001330220213