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212133331301 = 1712478431253
BaseRepresentation
bin1100010110010000100…
…0011100000101100101
3202021112221021210000012
43011210020130011211
511433422113100201
6241241441300005
721216601364513
oct3054410340545
9667487253005
10212133331301
1181a6880a631
1235143034605
1317008c97858
14a3a56c94b3
1557b87805bb
hex316421c165

212133331301 has 4 divisors (see below), whose sum is σ = 224611762572. Its totient is φ = 199654900032.

The previous prime is 212133331261. The next prime is 212133331321. The reversal of 212133331301 is 103133331212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92202715201 + 119930616100 = 303649^2 + 346310^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133331301 - 26 = 212133331237 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 (212133331321) 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, 6239215610 + ... + 6239215643.

It is an arithmetic number, because the mean of its divisors is an integer number (56152940643).

Almost surely, 2212133331301 is an apocalyptic number.

It is an amenable number.

212133331301 is a deficient number, since it is larger than the sum of its proper divisors (12478431271).

212133331301 is a wasteful number, since it uses less digits than its factorization.

212133331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478431270.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 212133331301 its reverse (103133331212), we get a palindrome (315266662513).

The spelling of 212133331301 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred one".

Divisors: 1 17 12478431253 212133331301