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212243532011 = 7251120798823
BaseRepresentation
bin1100010110101010110…
…0110100100011101011
3202021211121122112221222
43011222230310203223
511434133321011021
6241300415252255
721222410153420
oct3055254644353
9667747575858
10212243532011
1182014a38aa5
1235173b1a08b
1317025a70384
14a3b61b3d47
1557c329c6ab
hex316ab348eb

212243532011 has 8 divisors (see below), whose sum is σ = 243530429184. Its totient is φ = 181198233000.

The previous prime is 212243531987. The next prime is 212243532023. The reversal of 212243532011 is 110235342212.

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-212243532011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212243532311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60397655 + ... + 60401168.

It is an arithmetic number, because the mean of its divisors is an integer number (30441303648).

Almost surely, 2212243532011 is an apocalyptic number.

212243532011 is a deficient number, since it is larger than the sum of its proper divisors (31286897173).

212243532011 is a wasteful number, since it uses less digits than its factorization.

212243532011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120799081.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 212243532011 its reverse (110235342212), we get a palindrome (322478874223).

The spelling of 212243532011 in words is "two hundred twelve billion, two hundred forty-three million, five hundred thirty-two thousand, eleven".

Divisors: 1 7 251 1757 120798823 845591761 30320504573 212243532011