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30032103212 = 227508025803
BaseRepresentation
bin11011111110000011…
…011000011100101100
32212111222200220200222
4123332003120130230
5443001204300322
621444020110512
72112136444136
oct337603303454
985458626628
1030032103212
1111811380711
1259a1835438
132aa7c25497
14164c804056
15bab86ae42
hex6fe0d872c

30032103212 has 6 divisors (see below), whose sum is σ = 52556180628. Its totient is φ = 15016051604.

The previous prime is 30032103203. The next prime is 30032103217. The reversal of 30032103212 is 21230123003.

It is not an unprimeable number, because it can be changed into a prime (30032103217) 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 as a sum of consecutive naturals, namely, 3754012898 + ... + 3754012905.

It is an arithmetic number, because the mean of its divisors is an integer number (8759363438).

Almost surely, 230032103212 is an apocalyptic number.

It is an amenable number.

30032103212 is a deficient number, since it is larger than the sum of its proper divisors (22524077416).

30032103212 is a wasteful number, since it uses less digits than its factorization.

30032103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508025807 (or 7508025805 counting only the distinct ones).

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

Adding to 30032103212 its reverse (21230123003), we get a palindrome (51262226215).

The spelling of 30032103212 in words is "thirty billion, thirty-two million, one hundred three thousand, two hundred twelve".

Divisors: 1 2 4 7508025803 15016051606 30032103212