Search a number
-
+
2120379593 = 5227405659
BaseRepresentation
bin111111001100010…
…0110110011001001
312110202212102222112
41332120212303021
513320304121333
6550223032105
7103354633463
oct17630466311
95422772875
102120379593
11998998632
124b213b635
1327a3a4ca7
14161873133
15c6240948
hex7e626cc9

2120379593 has 4 divisors (see below), whose sum is σ = 2120790480. Its totient is φ = 2119968708.

The previous prime is 2120379589. The next prime is 2120379607. The reversal of 2120379593 is 3959730212.

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 2120379593 - 22 = 2120379589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120379593.

It is not an unprimeable number, because it can be changed into a prime (2120379563) 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, 197603 + ... + 208056.

It is an arithmetic number, because the mean of its divisors is an integer number (530197620).

Almost surely, 22120379593 is an apocalyptic number.

It is an amenable number.

2120379593 is a deficient number, since it is larger than the sum of its proper divisors (410887).

2120379593 is an equidigital number, since it uses as much as digits as its factorization.

2120379593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410886.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 2120379593 is about 46047.5796649509. The cubic root of 2120379593 is about 1284.7083256501.

The spelling of 2120379593 in words is "two billion, one hundred twenty million, three hundred seventy-nine thousand, five hundred ninety-three".

Divisors: 1 5227 405659 2120379593