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2120010213 = 3706670071
BaseRepresentation
bin111111001011100…
…1100100111100101
312110202011200021210
41332113030213211
513320210311323
6550211102033
7103351534536
oct17627144745
95422150253
102120010213
11998766062
124b1ba1919
1327a2a5b19
141617b868d
15c61bb293
hex7e5cc9e5

2120010213 has 4 divisors (see below), whose sum is σ = 2826680288. Its totient is φ = 1413340140.

The previous prime is 2120010197. The next prime is 2120010227. The reversal of 2120010213 is 3120100212.

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 2120010213 - 24 = 2120010197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120010283) 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, 353335033 + ... + 353335038.

It is an arithmetic number, because the mean of its divisors is an integer number (706670072).

Almost surely, 22120010213 is an apocalyptic number.

It is an amenable number.

2120010213 is a deficient number, since it is larger than the sum of its proper divisors (706670075).

2120010213 is an equidigital number, since it uses as much as digits as its factorization.

2120010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706670074.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120010213 is about 46043.5686388447. The cubic root of 2120010213 is about 1284.6337205933.

Adding to 2120010213 its reverse (3120100212), we get a palindrome (5240110425).

It can be divided in two parts, 21200 and 10213, that added together give a palindrome (31413).

The spelling of 2120010213 in words is "two billion, one hundred twenty million, ten thousand, two hundred thirteen".

Divisors: 1 3 706670071 2120010213