Search a number
-
+
211031212033 = 7322912623749
BaseRepresentation
bin1100010010001001110…
…0001100000000000001
3202011201010110022121001
43010202130030000001
511424142442241113
6240540231132001
721150356464015
oct3044234140001
9664633408531
10211031212033
1181552688064
1234a95b14001
1316b91854385
14a2dd198545
155751b2b7dd
hex312270c001

211031212033 has 8 divisors (see below), whose sum is σ = 214856225000. Its totient is φ = 207231447168.

The previous prime is 211031211983. The next prime is 211031212039. The reversal of 211031212033 is 330212130112.

It can be written as a sum of positive squares in 4 ways, for example, as 132545508624 + 78485703409 = 364068^2 + 280153^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 211031212033 - 213 = 211031203841 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 211031212033.

It is not an unprimeable number, because it can be changed into a prime (211031212039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295158 + ... + 6328591.

It is an arithmetic number, because the mean of its divisors is an integer number (26857028125).

Almost surely, 2211031212033 is an apocalyptic number.

It is an amenable number.

211031212033 is a deficient number, since it is larger than the sum of its proper divisors (3825012967).

211031212033 is a wasteful number, since it uses less digits than its factorization.

211031212033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12624051.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211031212033 its reverse (330212130112), we get a palindrome (541243342145).

The spelling of 211031212033 in words is "two hundred eleven billion, thirty-one million, two hundred twelve thousand, thirty-three".

Divisors: 1 73 229 16717 12623749 921533677 2890838521 211031212033