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212244344244101 = 13153731062023549
BaseRepresentation
bin110000010000100011111100…
…101111101000011110000101
31000211111100202021111211221102
4300100203330233220132011
5210304402404111302401
62031223412232425445
762464101465203531
oct6020437457503605
91024440667454842
10212244344244101
116169a359144274
121b97a461548285
13915772c090c10
143a5a976c14bc1
151980e684de56b
hexc108fcbe8785

212244344244101 has 8 divisors (see below), whose sum is σ = 228585700807800. Its totient is φ = 195905111758272.

The previous prime is 212244344244083. The next prime is 212244344244109. The reversal of 212244344244101 is 101442443442212.

It can be written as a sum of positive squares in 4 ways, for example, as 6744980352100 + 205499363892001 = 2597110^2 + 14335249^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212244344244101 is a prime.

It is a super-3 number, since 3×2122443442441013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212244344244109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530811926 + ... + 531211623.

It is an arithmetic number, because the mean of its divisors is an integer number (28573212600975).

Almost surely, 2212244344244101 is an apocalyptic number.

It is an amenable number.

212244344244101 is a deficient number, since it is larger than the sum of its proper divisors (16341356563699).

212244344244101 is a wasteful number, since it uses less digits than its factorization.

212244344244101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062038935.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 212244344244101 its reverse (101442443442212), we get a palindrome (313686787686313).

The spelling of 212244344244101 in words is "two hundred twelve trillion, two hundred forty-four billion, three hundred forty-four million, two hundred forty-four thousand, one hundred one".

Divisors: 1 13 15373 199849 1062023549 13806306137 16326488018777 212244344244101