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30212044012 = 228076193523
BaseRepresentation
bin11100001000110001…
…110011010011101100
32212222112021212002001
4130020301303103230
5443333240402022
621513524542044
72116453064653
oct341061632354
985875255061
1030212044012
11118a3a02917
125a31b51924
132b062a8427
14166868419a
15bbc561b27
hex708c734ec

30212044012 has 12 divisors (see below), whose sum is σ = 52872297016. Its totient is φ = 15105673440.

The previous prime is 30212043997. The next prime is 30212044021. The reversal of 30212044012 is 21044021203.

It is a super-2 number, since 2×302120440122 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276283 + ... + 369805.

Almost surely, 230212044012 is an apocalyptic number.

It is an amenable number.

30212044012 is a deficient number, since it is larger than the sum of its proper divisors (22660253004).

30212044012 is a wasteful number, since it uses less digits than its factorization.

30212044012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174288 (or 174286 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30212044012 its reverse (21044021203), we get a palindrome (51256065215).

The spelling of 30212044012 in words is "thirty billion, two hundred twelve million, forty-four thousand, twelve".

Divisors: 1 2 4 80761 93523 161522 187046 323044 374092 7553011003 15106022006 30212044012