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212213030033 = 1051072019019
BaseRepresentation
bin1100010110100011100…
…0011101110010010001
3202021202111020220010002
43011220320131302101
511434103013430113
6241253405415345
721221556664364
oct3055070356221
9667674226102
10212213030033
1181aa97a5454
123516586a555
131701c650a74
14a3b21140db
1557c0774c58
hex3168e1dc91

212213030033 has 4 divisors (see below), whose sum is σ = 212215154160. Its totient is φ = 212210905908.

The previous prime is 212213030011. The next prime is 212213030041. The reversal of 212213030033 is 330030312212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212213030033 - 218 = 212212767889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212213029987 and 212213030014.

It is not an unprimeable number, because it can be changed into a prime (212213030233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904403 + ... + 1114616.

It is an arithmetic number, because the mean of its divisors is an integer number (53053788540).

Almost surely, 2212213030033 is an apocalyptic number.

It is an amenable number.

212213030033 is a deficient number, since it is larger than the sum of its proper divisors (2124127).

212213030033 is a wasteful number, since it uses less digits than its factorization.

212213030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124126.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212213030033 its reverse (330030312212), we get a palindrome (542243342245).

The spelling of 212213030033 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, thirty-three".

Divisors: 1 105107 2019019 212213030033