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2220001220213 = 7317143031459
BaseRepresentation
bin100000010011100010011…
…000100101011001110101
321212020012200221210112022
4200103202120211121311
5242333030303021323
64415504322402525
7316250462010320
oct40234230453165
97766180853468
102220001220213
117865518a4847
122ba301b00445
1313146459769a
147963d0937b7
153cb3235e4c8
hex204e2625675

2220001220213 has 4 divisors (see below), whose sum is σ = 2537144251680. Its totient is φ = 1902858188748.

The previous prime is 2220001220191. The next prime is 2220001220243. The reversal of 2220001220213 is 3120221000222.

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 2220001220213 - 216 = 2220001154677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220001220191 and 2220001220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220001220243) 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, 158571515723 + ... + 158571515736.

It is an arithmetic number, because the mean of its divisors is an integer number (634286062920).

Almost surely, 22220001220213 is an apocalyptic number.

It is an amenable number.

2220001220213 is a deficient number, since it is larger than the sum of its proper divisors (317143031467).

2220001220213 is an equidigital number, since it uses as much as digits as its factorization.

2220001220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317143031466.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2220001220213 its reverse (3120221000222), we get a palindrome (5340222220435).

The spelling of 2220001220213 in words is "two trillion, two hundred twenty billion, one million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 7 317143031459 2220001220213