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213022243033 = 1951109186183
BaseRepresentation
bin1100011001100100011…
…1010111100011011001
3202100211212221011122221
43012121013113203121
511442232143234113
6241505553544041
721250614122065
oct3063107274331
9670755834587
10213022243033
1182384559126
1235350875021
131711b1ab222
14a44b79aaa5
15581b81b98d
hex31991d78d9

213022243033 has 4 divisors (see below), whose sum is σ = 213131431168. Its totient is φ = 212913054900.

The previous prime is 213022243013. The next prime is 213022243039. The reversal of 213022243033 is 330342220312.

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 213022243033 - 25 = 213022243001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213022242989 and 213022243007.

It is not an unprimeable number, because it can be changed into a prime (213022243039) 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, 54591141 + ... + 54595042.

It is an arithmetic number, because the mean of its divisors is an integer number (53282857792).

Almost surely, 2213022243033 is an apocalyptic number.

It is an amenable number.

213022243033 is a deficient number, since it is larger than the sum of its proper divisors (109188135).

213022243033 is a wasteful number, since it uses less digits than its factorization.

213022243033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109188134.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 213022243033 its reverse (330342220312), we get a palindrome (543364463345).

The spelling of 213022243033 in words is "two hundred thirteen billion, twenty-two million, two hundred forty-three thousand, thirty-three".

Divisors: 1 1951 109186183 213022243033