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212243512031203 = 1911170711159537
BaseRepresentation
bin110000010000100011001011…
…001000111111011111100011
31000211111021121021120001110111
4300100203023020333133203
5210304344203034444303
62031223153503312151
762464042041414052
oct6020431310773743
91024437537501414
10212243512031203
1161699a71401414
121b97a26a8ab657
13915762883ca53
143a5a8d84a2399
151980e1a402b6d
hexc108cb23f7e3

212243512031203 has 4 divisors (see below), whose sum is σ = 223414223190760. Its totient is φ = 201072800871648.

The previous prime is 212243512031179. The next prime is 212243512031207. The reversal of 212243512031203 is 302130215342212.

It is a happy number.

212243512031203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212243512031203 - 25 = 212243512031171 is a prime.

It is a super-2 number, since 2×2122435120312032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212243512031207) 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, 5585355579750 + ... + 5585355579787.

It is an arithmetic number, because the mean of its divisors is an integer number (55853555797690).

Almost surely, 2212243512031203 is an apocalyptic number.

212243512031203 is a deficient number, since it is larger than the sum of its proper divisors (11170711159557).

212243512031203 is a wasteful number, since it uses less digits than its factorization.

212243512031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11170711159556.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 212243512031203 its reverse (302130215342212), we get a palindrome (514373727373415).

The spelling of 212243512031203 in words is "two hundred twelve trillion, two hundred forty-three billion, five hundred twelve million, thirty-one thousand, two hundred three".

Divisors: 1 19 11170711159537 212243512031203