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213212323203102 = 236146236161319
BaseRepresentation
bin110000011110101001011100…
…110010010100100000011110
31000221220220021101200212000000
4300132221130302110200132
5210421232314214444402
62033244220013115130
762624040062456106
oct6036513462244036
91027826241625000
10213212323203102
1161a32925018113
121bab5b87788aa6
1391c7ab3361102
143a9176263c206
15199b21d9aec1c
hexc1ea5cc9481e

213212323203102 has 28 divisors (see below), whose sum is σ = 479508372968280. Its totient is φ = 71070774400548.

The previous prime is 213212323203071. The next prime is 213212323203107. The reversal of 213212323203102 is 201302323212312.

213212323203102 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 1 + 2 + 323 + 20 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213212323203107) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 73118079202 + ... + 73118082117.

Almost surely, 2213212323203102 is an apocalyptic number.

213212323203102 is an abundant number, since it is smaller than the sum of its proper divisors (266296049765178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213212323203102 is an equidigital number, since it uses as much as digits as its factorization.

213212323203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146236161339 (or 146236161324 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213212323203102 its reverse (201302323212312), we get a palindrome (414514646415414).

The spelling of 213212323203102 in words is "two hundred thirteen trillion, two hundred twelve billion, three hundred twenty-three million, two hundred three thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 146236161319 292472322638 438708483957 877416967914 1316125451871 2632250903742 3948376355613 7896752711226 11845129066839 23690258133678 35535387200517 71070774401034 106606161601551 213212323203102