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2213312330213 = 6644933308437
BaseRepresentation
bin100000001101010011101…
…100011111100111100101
321211120221112121222102122
4200031103230133213211
5242230330424031323
64412440500315325
7315622641252305
oct40152354374745
97746845558378
102213312330213
1178372a122786
122b8b559a2b45
1313093987c3ca
14791a699d605
153c88eeeaec8
hex20353b1f9e5

2213312330213 has 4 divisors (see below), whose sum is σ = 2213345705100. Its totient is φ = 2213278955328.

The previous prime is 2213312330189. The next prime is 2213312330261. The reversal of 2213312330213 is 3120332133122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1218182386369 + 995129943844 = 1103713^2 + 997562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213312330213 - 228 = 2213043894757 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 (2213312330413) 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, 16587770 + ... + 16720667.

It is an arithmetic number, because the mean of its divisors is an integer number (553336426275).

Almost surely, 22213312330213 is an apocalyptic number.

It is an amenable number.

2213312330213 is a deficient number, since it is larger than the sum of its proper divisors (33374887).

2213312330213 is an equidigital number, since it uses as much as digits as its factorization.

2213312330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374886.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2213312330213 its reverse (3120332133122), we get a palindrome (5333644463335).

The spelling of 2213312330213 in words is "two trillion, two hundred thirteen billion, three hundred twelve million, three hundred thirty thousand, two hundred thirteen".

Divisors: 1 66449 33308437 2213312330213