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212333013352 = 23171561272157
BaseRepresentation
bin1100010111000000001…
…0001010100101101000
3202022001212000200021201
43011300002022211220
511434324222411402
6241313333213544
721224544556105
oct3056002124550
9668055020251
10212333013352
11820604a5719
1235199a912b4
131703b470205
14a3c4027aac
1557cb075687
hex317008a968

212333013352 has 16 divisors (see below), whose sum is σ = 421543482660. Its totient is φ = 99921417984.

The previous prime is 212333013349. The next prime is 212333013353. The reversal of 212333013352 is 253310333212.

It can be written as a sum of positive squares in 2 ways, for example, as 202037664196 + 10295349156 = 449486^2 + 101466^2 .

It is a super-2 number, since 2×2123330133522 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212333013352.

It is not an unprimeable number, because it can be changed into a prime (212333013353) 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, 780635943 + ... + 780636214.

Almost surely, 2212333013352 is an apocalyptic number.

It is an amenable number.

212333013352 is a deficient number, since it is larger than the sum of its proper divisors (209210469308).

212333013352 is a wasteful number, since it uses less digits than its factorization.

212333013352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561272180 (or 1561272176 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 212333013352 its reverse (253310333212), we get a palindrome (465643346564).

The spelling of 212333013352 in words is "two hundred twelve billion, three hundred thirty-three million, thirteen thousand, three hundred fifty-two".

Divisors: 1 2 4 8 17 34 68 136 1561272157 3122544314 6245088628 12490177256 26541626669 53083253338 106166506676 212333013352