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212212202162 = 2129313820537
BaseRepresentation
bin1100010110100011010…
…1010011101010110010
3202021202102200211111012
43011220311103222302
511434102310432122
6241253335550522
721221546645642
oct3055065235262
9667672624435
10212212202162
1181aa928a464
123516552b442
131701c420cbc
14a3b1d7a522
1557c065e7e2
hex3168d53ab2

212212202162 has 8 divisors (see below), whose sum is σ = 318321152796. Its totient is φ = 106105151232.

The previous prime is 212212202161. The next prime is 212212202281. The reversal of 212212202162 is 261202212212.

212212202162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209966484841 + 2245717321 = 458221^2 + 47389^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212212202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151643 + ... + 668894.

Almost surely, 2212212202162 is an apocalyptic number.

212212202162 is a deficient number, since it is larger than the sum of its proper divisors (106108950634).

212212202162 is a wasteful number, since it uses less digits than its factorization.

212212202162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949852.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212212202162 its reverse (261202212212), we get a palindrome (473414414374).

The spelling of 212212202162 in words is "two hundred twelve billion, two hundred twelve million, two hundred two thousand, one hundred sixty-two".

Divisors: 1 2 129313 258626 820537 1641074 106106101081 212212202162