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2223210331213 = 10920396425057
BaseRepresentation
bin100000010110100001101…
…010010111110001001101
321212112111100110112020021
4200112201222113301031
5242411113321044323
64421155001022141
7316423140005134
oct40264152276115
97775440415207
102223210331213
117879493003a3
122baa58784951
131318563a6231
147986537091b
153cc6de5c05d
hex205a1a97c4d

2223210331213 has 4 divisors (see below), whose sum is σ = 2243606756380. Its totient is φ = 2202813906048.

The previous prime is 2223210331201. The next prime is 2223210331217. The reversal of 2223210331213 is 3121330123222.

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 961178277609 + 1262032053604 = 980397^2 + 1123402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223210331213 - 221 = 2223208234061 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 (2223210331217) 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, 10198212420 + ... + 10198212637.

It is an arithmetic number, because the mean of its divisors is an integer number (560901689095).

Almost surely, 22223210331213 is an apocalyptic number.

It is an amenable number.

2223210331213 is a deficient number, since it is larger than the sum of its proper divisors (20396425167).

2223210331213 is a wasteful number, since it uses less digits than its factorization.

2223210331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396425166.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2223210331213 its reverse (3121330123222), we get a palindrome (5344540454435).

The spelling of 2223210331213 in words is "two trillion, two hundred twenty-three billion, two hundred ten million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 109 20396425057 2223210331213