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212000001011 = 10110320378737
BaseRepresentation
bin1100010101110000101…
…1110100101111110011
3202021012122101220020022
43011130023310233303
511433134000013021
6241220315434055
721213362163461
oct3053413645763
9667178356208
10212000001011
11819aa523607
123510645592b
1316cb74842a6
14a391add831
1557abbe51ab
hex315c2f4bf3

212000001011 has 8 divisors (see below), whose sum is σ = 216177652704. Its totient is φ = 207863107200.

The previous prime is 212000000977. The next prime is 212000001061. The reversal of 212000001011 is 110100000212.

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-212000001011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212000001011.

It is not an unprimeable number, because it can be changed into a prime (212000001061) 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, 10178966 + ... + 10199771.

It is an arithmetic number, because the mean of its divisors is an integer number (27022206588).

Almost surely, 2212000001011 is an apocalyptic number.

212000001011 is a deficient number, since it is larger than the sum of its proper divisors (4177651693).

212000001011 is a wasteful number, since it uses less digits than its factorization.

212000001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378941.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 212000001011 its reverse (110100000212), we get a palindrome (322100001223).

The spelling of 212000001011 in words is "two hundred twelve billion, one thousand, eleven".

Divisors: 1 101 103 10403 20378737 2058252437 2099009911 212000001011