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30320032112 = 243161129097
BaseRepresentation
bin11100001111001101…
…101111100101110000
32220021001111012220022
4130033031233211300
5444043412011422
621532343303012
72122234010036
oct341715574560
986231435808
1030320032112
111194995a987
125a6214aa68
132b22787b06
141678b54556
15bc6c93342
hex70f36f970

30320032112 has 20 divisors (see below), whose sum is σ = 60640065216. Its totient is φ = 14670983040.

The previous prime is 30320032103. The next prime is 30320032153. The reversal of 30320032112 is 21123002303.

30320032112 is an admirable number.

It is a super-2 number, since 2×303200321122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30564053 + ... + 30565044.

Almost surely, 230320032112 is an apocalyptic number.

It is an amenable number.

30320032112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30320032112 is a wasteful number, since it uses less digits than its factorization.

30320032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61129136 (or 61129130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30320032112 its reverse (21123002303), we get a palindrome (51443034415).

The spelling of 30320032112 in words is "thirty billion, three hundred twenty million, thirty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 61129097 122258194 244516388 489032776 978065552 1895002007 3790004014 7580008028 15160016056 30320032112