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200210220112021 = 7235311574852293
BaseRepresentation
bin101101100001011100010011…
…000011001101100010010101
3222020212220120110212020010021
4231201130103003031202111
5202220221012322041041
61545451145544025141
760112465615634500
oct5541342303154225
9866786513766107
10200210220112021
115887a74a868a19
121a5560b97621b1
138793986a74c02
1437623251a4137
151822dd989ecd1
hexb617130cd895

200210220112021 has 12 divisors (see below), whose sum is σ = 233557369588332. Its totient is φ = 171122616284928.

The previous prime is 200210220112003. The next prime is 200210220112061. The reversal of 200210220112021 is 120211022012002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134975925711396 + 65234294400625 = 11617914^2 + 8076775^2 .

It is not a de Polignac number, because 200210220112021 - 25 = 200210220111989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210220111986 and 200210220112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210220112061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5787408850 + ... + 5787443443.

It is an arithmetic number, because the mean of its divisors is an integer number (19463114132361).

Almost surely, 2200210220112021 is an apocalyptic number.

It is an amenable number.

200210220112021 is a deficient number, since it is larger than the sum of its proper divisors (33347149476311).

200210220112021 is a wasteful number, since it uses less digits than its factorization.

200210220112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574852660 (or 11574852653 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200210220112021 its reverse (120211022012002), we get a palindrome (320421242124023).

The spelling of 200210220112021 in words is "two hundred trillion, two hundred ten billion, two hundred twenty million, one hundred twelve thousand, twenty-one".

Divisors: 1 7 49 353 2471 17297 11574852293 81023966051 567167762357 4085922859429 28601460016003 200210220112021