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30327732428 = 22737116325171
BaseRepresentation
bin11100001111101011…
…000111100011001100
32220021120222102202012
4130033223013203030
5444102344414203
621533220320352
72122356320660
oct341753074314
986246872665
1030327732428
111195323a284
125a648430b8
132b24252a06
141679b9a8a0
15bc77b4bd8
hex70fac78cc

30327732428 has 48 divisors (see below), whose sum is σ = 62350842624. Its totient is φ = 12634937280.

The previous prime is 30327732377. The next prime is 30327732439. The reversal of 30327732428 is 82423772303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192283 + ... + 1217453.

It is an arithmetic number, because the mean of its divisors is an integer number (1298975888).

Almost surely, 230327732428 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 30327732428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31175421312).

30327732428 is an abundant number, since it is smaller than the sum of its proper divisors (32023110196).

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

30327732428 is a wasteful number, since it uses less digits than its factorization.

30327732428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26382 (or 26380 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 30327732428 in words is "thirty billion, three hundred twenty-seven million, seven hundred thirty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 1163 2326 4652 8141 16282 25171 32564 43031 50342 86062 100684 172124 176197 301217 352394 602434 704788 931327 1204868 1862654 3725308 6519289 13038578 26077156 29273873 58547746 117095492 204917111 409834222 819668444 1083133301 2166266602 4332533204 7581933107 15163866214 30327732428