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211021113232212 = 22334950387085299
BaseRepresentation
bin101111111110110000101110…
…011111101000101101010100
31000200011102101012120001122020
4233332300232133220231110
5210124332214441412322
62024445432222533140
762306525622152043
oct5776605637505524
91020142335501566
10211021113232212
11612686081240a8
121b80137ba371b0
1390992898c233a
143a1769526655a
15195e2240b105c
hexbfec2e7e8b54

211021113232212 has 24 divisors (see below), whose sum is σ = 493793435940000. Its totient is φ = 70138822734816.

The previous prime is 211021113232211. The next prime is 211021113232243. The reversal of 211021113232212 is 212232311120112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021113232211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25193538462 + ... + 25193546837.

It is an arithmetic number, because the mean of its divisors is an integer number (20574726497500).

Almost surely, 2211021113232212 is an apocalyptic number.

It is an amenable number.

211021113232212 is an abundant number, since it is smaller than the sum of its proper divisors (282772322707788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211021113232212 is a wasteful number, since it uses less digits than its factorization.

211021113232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50387085655 (or 50387085653 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 211021113232212 its reverse (212232311120112), we get a palindrome (423253424352324).

The spelling of 211021113232212 in words is "two hundred eleven trillion, twenty-one billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 349 698 1047 1396 2094 4188 50387085299 100774170598 151161255897 201548341196 302322511794 604645023588 17585092769351 35170185538702 52755278308053 70340371077404 105510556616106 211021113232212