Search a number
-
+
2020302013 = 5934242407
BaseRepresentation
bin111100001101011…
…0101110010111101
312012210112222100111
41320122311302331
513114144131023
6532250030021
7101031166222
oct17032656275
95183488314
102020302013
11947453894
12484718311
132627350a2
14152461949
15bc57300d
hex786b5cbd

2020302013 has 4 divisors (see below), whose sum is σ = 2054544480. Its totient is φ = 1986059548.

The previous prime is 2020301999. The next prime is 2020302017. The reversal of 2020302013 is 3102030202.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 2020302013 - 217 = 2020170941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020301984 and 2020302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020302017) 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 3 ways as a sum of consecutive naturals, for example, 17121145 + ... + 17121262.

It is an arithmetic number, because the mean of its divisors is an integer number (513636120).

Almost surely, 22020302013 is an apocalyptic number.

It is an amenable number.

2020302013 is a deficient number, since it is larger than the sum of its proper divisors (34242467).

2020302013 is an equidigital number, since it uses as much as digits as its factorization.

2020302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34242466.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2020302013 is about 44947.7698334411. The cubic root of 2020302013 is about 1264.1698611804.

Adding to 2020302013 its reverse (3102030202), we get a palindrome (5122332215).

The spelling of 2020302013 in words is "two billion, twenty million, three hundred two thousand, thirteen".

Divisors: 1 59 34242407 2020302013