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212020033213 = 1738071219859
BaseRepresentation
bin1100010101110101100…
…0001111011010111101
3202021021001002122020201
43011131120033122331
511433204112030323
6241222313043501
721214024355422
oct3053530173275
9667231078221
10212020033213
1181a0a86604a
12351110b6591
1316cbb679271
14a394635d49
1557ad8508ad
hex315d60f6bd

212020033213 has 4 divisors (see below), whose sum is σ = 212021426880. Its totient is φ = 212018639548.

The previous prime is 212020033201. The next prime is 212020033249. The reversal of 212020033213 is 312330020212.

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 212020033213 - 229 = 211483162301 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 (212020033913) 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, 436123 + ... + 783736.

It is an arithmetic number, because the mean of its divisors is an integer number (53005356720).

Almost surely, 2212020033213 is an apocalyptic number.

It is an amenable number.

212020033213 is a deficient number, since it is larger than the sum of its proper divisors (1393667).

212020033213 is a wasteful number, since it uses less digits than its factorization.

212020033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393666.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212020033213 its reverse (312330020212), we get a palindrome (524350053425).

The spelling of 212020033213 in words is "two hundred twelve billion, twenty million, thirty-three thousand, two hundred thirteen".

Divisors: 1 173807 1219859 212020033213