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30212013212 = 227553003303
BaseRepresentation
bin11100001000110001…
…101011110010011100
32212222112020021211022
4130020301223302130
5443333233410322
621513524143312
72116452606113
oct341061536234
985875207738
1030212013212
11118a3991767
125a31b37b38
132b062973c4
141668676c7a
15bbc557942
hex708c6bc9c

30212013212 has 6 divisors (see below), whose sum is σ = 52871023128. Its totient is φ = 15106006604.

The previous prime is 30212013191. The next prime is 30212013217. The reversal of 30212013212 is 21231021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212013217) by changing a digit.

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 as a sum of consecutive naturals, namely, 3776501648 + ... + 3776501655.

It is an arithmetic number, because the mean of its divisors is an integer number (8811837188).

Almost surely, 230212013212 is an apocalyptic number.

It is an amenable number.

30212013212 is a deficient number, since it is larger than the sum of its proper divisors (22659009916).

30212013212 is a wasteful number, since it uses less digits than its factorization.

30212013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553003307 (or 7553003305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30212013212 its reverse (21231021203), we get a palindrome (51443034415).

The spelling of 30212013212 in words is "thirty billion, two hundred twelve million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7553003303 15106006606 30212013212