Search a number
-
+
2120330011 = 8812406731
BaseRepresentation
bin111111001100001…
…1010101100011011
312110202202220222011
41332120122230123
513320301030021
6550222010351
7103354336102
oct17630325433
95422686864
102120330011
11998964358
124b21169b7
1327a388557
1416185d039
15c6230de1
hex7e61ab1b

2120330011 has 4 divisors (see below), whose sum is σ = 2122737624. Its totient is φ = 2117922400.

The previous prime is 2120329979. The next prime is 2120330053. The reversal of 2120330011 is 1100330212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120330011 - 25 = 2120329979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120329973 and 2120330000.

It is not an unprimeable number, because it can be changed into a prime (2120330711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202485 + ... + 1204246.

It is an arithmetic number, because the mean of its divisors is an integer number (530684406).

Almost surely, 22120330011 is an apocalyptic number.

2120330011 is a deficient number, since it is larger than the sum of its proper divisors (2407613).

2120330011 is an equidigital number, since it uses as much as digits as its factorization.

2120330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407612.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2120330011 is about 46047.0412838871. The cubic root of 2120330011 is about 1284.6983118921.

Adding to 2120330011 its reverse (1100330212), we get a palindrome (3220660223).

The spelling of 2120330011 in words is "two billion, one hundred twenty million, three hundred thirty thousand, eleven".

Divisors: 1 881 2406731 2120330011