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211311033212 = 2252827758303
BaseRepresentation
bin1100010011001100011…
…1100111101101111100
3202012102121222201002102
43010303013213231330
511430231111030322
6241024104444232
721160325101136
oct3046307475574
9665377881072
10211311033212
1181686629934
1234b53779678
1316c07808536
14a3283d8056
15576b4a1792
hex31331e7b7c

211311033212 has 6 divisors (see below), whose sum is σ = 369794308128. Its totient is φ = 105655516604.

The previous prime is 211311033211. The next prime is 211311033217. The reversal of 211311033212 is 212330113112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211311033211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26413879148 + ... + 26413879155.

It is an arithmetic number, because the mean of its divisors is an integer number (61632384688).

Almost surely, 2211311033212 is an apocalyptic number.

It is an amenable number.

211311033212 is a deficient number, since it is larger than the sum of its proper divisors (158483274916).

211311033212 is a wasteful number, since it uses less digits than its factorization.

211311033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52827758307 (or 52827758305 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211311033212 its reverse (212330113112), we get a palindrome (423641146324).

The spelling of 211311033212 in words is "two hundred eleven billion, three hundred eleven million, thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 52827758303 105655516606 211311033212