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213004224412 = 22721086756247
BaseRepresentation
bin1100011001100000001…
…0101000011110011100
3202100210122000201202121
43012120002220132130
511442213040140122
6241504111432324
721250305014500
oct3063002503634
9670718021677
10213004224412
1182375371501
12353468256a4
131711753c915
14a44922a300
155819e5cbc7
hex31980a879c

213004224412 has 18 divisors (see below), whose sum is σ = 433615742952. Its totient is φ = 91287524664.

The previous prime is 213004224409. The next prime is 213004224421. The reversal of 213004224412 is 214422400312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 543377928 + ... + 543378319.

Almost surely, 2213004224412 is an apocalyptic number.

It is an amenable number.

213004224412 is an abundant number, since it is smaller than the sum of its proper divisors (220611518540).

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

213004224412 is a wasteful number, since it uses less digits than its factorization.

213004224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086756265 (or 1086756256 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213004224412 its reverse (214422400312), we get a palindrome (427426624724).

The spelling of 213004224412 in words is "two hundred thirteen billion, four million, two hundred twenty-four thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1086756247 2173512494 4347024988 7607293729 15214587458 30429174916 53251056103 106502112206 213004224412