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20330113313 = 107190001059
BaseRepresentation
bin10010111011110001…
…001110100100100001
31221110211200202120202
4102323301032210201
5313114002111223
613201200514545
71316541053246
oct227361164441
957424622522
1020330113313
118692901044
123b3461ba55
131bbcbba163
14dac0975cd
157dec27428
hex4bbc4e921

20330113313 has 4 divisors (see below), whose sum is σ = 20520114480. Its totient is φ = 20140112148.

The previous prime is 20330113301. The next prime is 20330113399. The reversal of 20330113313 is 31331103302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31331103302 = 215665551651.

It is a cyclic number.

It is not a de Polignac number, because 20330113313 - 210 = 20330112289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330113213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95000423 + ... + 95000636.

It is an arithmetic number, because the mean of its divisors is an integer number (5130028620).

Almost surely, 220330113313 is an apocalyptic number.

It is an amenable number.

20330113313 is a deficient number, since it is larger than the sum of its proper divisors (190001167).

20330113313 is a wasteful number, since it uses less digits than its factorization.

20330113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190001166.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20330113313 its reverse (31331103302), we get a palindrome (51661216615).

The spelling of 20330113313 in words is "twenty billion, three hundred thirty million, one hundred thirteen thousand, three hundred thirteen".

Divisors: 1 107 190001059 20330113313