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202223201321 = 4318712513557
BaseRepresentation
bin1011110001010101110…
…0010010110000101001
3201022222021122000101002
42330111130102300221
511303123114420241
6232522225004345
720416164564341
oct2742534226051
9638867560332
10202223201321
11788427a8269
12332381836b5
13160b9ab510b
149b0547bd21
1553d872589b
hex2f15712c29

202223201321 has 8 divisors (see below), whose sum is σ = 207036745344. Its totient is φ = 197414688240.

The previous prime is 202223201303. The next prime is 202223201357. The reversal of 202223201321 is 123102322202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202223201321 - 210 = 202223200297 is a prime.

It is a super-2 number, since 2×2022232013212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202223201293 and 202223201302.

It is not an unprimeable number, because it can be changed into a prime (202223201371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176326 + ... + 1337231.

It is an arithmetic number, because the mean of its divisors is an integer number (25879593168).

Almost surely, 2202223201321 is an apocalyptic number.

It is an amenable number.

202223201321 is a deficient number, since it is larger than the sum of its proper divisors (4813544023).

202223201321 is a wasteful number, since it uses less digits than its factorization.

202223201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515471.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202223201321 its reverse (123102322202), we get a palindrome (325325523523).

The spelling of 202223201321 in words is "two hundred two billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-one".

Divisors: 1 43 1871 80453 2513557 108082951 4702865147 202223201321