Search a number
-
+
2019203013 = 3673067671
BaseRepresentation
bin111100001011010…
…1001011111000101
312012201111010210210
41320112221133011
513113403444023
6532210310033
7101015641152
oct17026513705
95181433723
102019203013
11946873123
12484288319
1326243baa9
14152257229
15bc407593
hex785a97c5

2019203013 has 4 divisors (see below), whose sum is σ = 2692270688. Its totient is φ = 1346135340.

The previous prime is 2019203003. The next prime is 2019203041. The reversal of 2019203013 is 3103029102.

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 not a de Polignac number, because 2019203013 - 212 = 2019198917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019203003) 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, 336533833 + ... + 336533838.

It is an arithmetic number, because the mean of its divisors is an integer number (673067672).

Almost surely, 22019203013 is an apocalyptic number.

It is an amenable number.

2019203013 is a deficient number, since it is larger than the sum of its proper divisors (673067675).

2019203013 is an equidigital number, since it uses as much as digits as its factorization.

2019203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673067674.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2019203013 is about 44935.5428697596. The cubic root of 2019203013 is about 1263.9405927071.

The spelling of 2019203013 in words is "two billion, nineteen million, two hundred three thousand, thirteen".

Divisors: 1 3 673067671 2019203013