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30043479228 = 22371721038851
BaseRepresentation
bin11011111110101110…
…110001110010111100
32212112210002212122220
4123332232301302330
5443012112313403
621445104005340
72112335234310
oct337656616274
985483085586
1030043479228
1111817840684
1259a5600850
132aaa3a9459
141650125b40
15bac866953
hex6febb1cbc

30043479228 has 48 divisors (see below), whose sum is σ = 84828651264. Its totient is φ = 8078918400.

The previous prime is 30043479199. The next prime is 30043479239. The reversal of 30043479228 is 82297434003.

It is a super-2 number, since 2×300434792282 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 30043479228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10517998 + ... + 10520853.

It is an arithmetic number, because the mean of its divisors is an integer number (1767263568).

Almost surely, 230043479228 is an apocalyptic number.

It is an amenable number.

30043479228 is an abundant number, since it is smaller than the sum of its proper divisors (54785172036).

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

30043479228 is a wasteful number, since it uses less digits than its factorization.

30043479228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21038882 (or 21038880 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 30043479228 in words is "thirty billion, forty-three million, four hundred seventy-nine thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 21038851 42077702 63116553 84155404 126233106 147271957 252466212 294543914 357660467 441815871 589087828 715320934 883631742 1072981401 1430641868 1767263484 2145962802 2503623269 4291925604 5007246538 7510869807 10014493076 15021739614 30043479228