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30204113212 = 22713367226099
BaseRepresentation
bin11100001000010011…
…100011000100111100
32212221222100221001201
4130020103203010330
5443324223110322
621513042545244
72116325504050
oct341023430474
985858327051
1030204113212
111189a486339
125a2b368224
132b0475c650
1416675bbc60
15bbb9e6d27
hex7084e313c

30204113212 has 48 divisors (see below), whose sum is σ = 65232563200. Its totient is φ = 11916268992.

The previous prime is 30204113209. The next prime is 30204113273. The reversal of 30204113212 is 21231140203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30204113212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20539 + ... + 246637.

Almost surely, 230204113212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30204113212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32616281600).

30204113212 is an abundant number, since it is smaller than the sum of its proper divisors (35028449988).

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

30204113212 is a wasteful number, since it uses less digits than its factorization.

30204113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226490 (or 226488 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30204113212 its reverse (21231140203), we get a palindrome (51435253415).

The spelling of 30204113212 in words is "thirty billion, two hundred four million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 367 734 1468 2569 4771 5138 9542 10276 19084 33397 66794 133588 226099 452198 904396 1582693 2939287 3165386 5878574 6330772 11757148 20575009 41150018 82300036 82978333 165956666 331913332 580848331 1078718329 1161696662 2157436658 2323393324 4314873316 7551028303 15102056606 30204113212