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30000012112 = 247977274163
BaseRepresentation
bin11011111100001000…
…111101101101010000
32212102202022111222201
4123330020331231100
5442420000341422
621440512212544
72111266616110
oct337410755520
985382274881
1030000012112
11117a5252144
125992b3a154
132aa139a775
14164844d040
15ba8b2c727
hex6fc23db50

30000012112 has 40 divisors (see below), whose sum is σ = 66496833216. Its totient is φ = 12843941376.

The previous prime is 30000012071. The next prime is 30000012113. The reversal of 30000012112 is 21121000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000012113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27658 + ... + 246505.

Almost surely, 230000012112 is an apocalyptic number.

It is an amenable number.

30000012112 is an abundant number, since it is smaller than the sum of its proper divisors (36496821104).

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

30000012112 is a wasteful number, since it uses less digits than its factorization.

30000012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275155 (or 275149 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30000012112 its reverse (21121000003), we get a palindrome (51121012115).

The spelling of 30000012112 in words is "thirty billion, twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 977 1954 3908 6839 7816 13678 15632 27356 54712 109424 274163 548326 1096652 1919141 2193304 3838282 4386608 7676564 15353128 30706256 267857251 535714502 1071429004 1875000757 2142858008 3750001514 4285716016 7500003028 15000006056 30000012112