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30032133212 = 2237202919819
BaseRepresentation
bin11011111110000011…
…011111110001011100
32212111222202102212002
4123332003133301130
5443001211230322
621444020501432
72112136630454
oct337603376134
985458672762
1030032133212
11118113a1204
1259a184a878
132aa7c36033
14164c810d64
15bab874c92
hex6fe0dfc5c

30032133212 has 12 divisors (see below), whose sum is σ = 53976672120. Its totient is φ = 14610226896.

The previous prime is 30032133199. The next prime is 30032133217. The reversal of 30032133212 is 21233123003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032133217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101459762 + ... + 101460057.

It is an arithmetic number, because the mean of its divisors is an integer number (4498056010).

Almost surely, 230032133212 is an apocalyptic number.

It is an amenable number.

30032133212 is a deficient number, since it is larger than the sum of its proper divisors (23944538908).

30032133212 is a wasteful number, since it uses less digits than its factorization.

30032133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202919860 (or 202919858 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30032133212 its reverse (21233123003), we get a palindrome (51265256215).

The spelling of 30032133212 in words is "thirty billion, thirty-two million, one hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 202919819 405839638 811679276 7508033303 15016066606 30032133212