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2012030313 = 31593742083
BaseRepresentation
bin111011111101101…
…0010010101101001
312012012222201201020
41313323102111221
513110034432223
6531352443053
7100600655406
oct16773222551
95165881636
102012030313
11942814177
124819a9489
13260aca0a7
1415130b2ad
15bb98c1e3
hex77ed2569

2012030313 has 8 divisors (see below), whose sum is σ = 2682939168. Its totient is φ = 1341237504.

The previous prime is 2012030311. The next prime is 2012030323. The reversal of 2012030313 is 3130302102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012030313 - 21 = 2012030311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012030292 and 2012030301.

It is not an unprimeable number, because it can be changed into a prime (2012030311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26770 + ... + 68852.

It is an arithmetic number, because the mean of its divisors is an integer number (335367396).

Almost surely, 22012030313 is an apocalyptic number.

It is an amenable number.

2012030313 is a deficient number, since it is larger than the sum of its proper divisors (670908855).

2012030313 is a wasteful number, since it uses less digits than its factorization.

2012030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58023.

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

The square root of 2012030313 is about 44855.6608802055. The cubic root of 2012030313 is about 1262.4422090071.

Adding to 2012030313 its reverse (3130302102), we get a palindrome (5142332415).

The spelling of 2012030313 in words is "two billion, twelve million, thirty thousand, three hundred thirteen".

Divisors: 1 3 15937 42083 47811 126249 670676771 2012030313