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30321110312 = 23232923512417
BaseRepresentation
bin11100001111010001…
…110110110100101000
32220021010111222220122
4130033101312310220
5444044201012222
621532422342412
72122246120343
oct341721666450
986233458818
1030321110312
111194a526a59
125a6258aa08
132b22a747bc
141678d5545a
15bc6e07a42
hex70f476d28

30321110312 has 64 divisors (see below), whose sum is σ = 61421068800. Its totient is φ = 13989606400.

The previous prime is 30321110297. The next prime is 30321110371. The reversal of 30321110312 is 21301112303.

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, 12543728 + ... + 12546144.

It is an arithmetic number, because the mean of its divisors is an integer number (959704200).

Almost surely, 230321110312 is an apocalyptic number.

It is an amenable number.

30321110312 is an abundant number, since it is smaller than the sum of its proper divisors (31099958488).

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

30321110312 is a wasteful number, since it uses less digits than its factorization.

30321110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826 (or 4822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30321110312 its reverse (21301112303), we get a palindrome (51622222615).

The spelling of 30321110312 in words is "thirty billion, three hundred twenty-one million, one hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 23 29 46 58 92 116 184 232 667 1334 2351 2417 2668 4702 4834 5336 9404 9668 18808 19336 54073 55591 68179 70093 108146 111182 136358 140186 216292 222364 272716 280372 432584 444728 545432 560744 1568117 1612139 3136234 3224278 5682367 6272468 6448556 11364734 12544936 12897112 22729468 45458936 130694441 164788643 261388882 329577286 522777764 659154572 1045555528 1318309144 3790138789 7580277578 15160555156 30321110312