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30444030212 = 227611007553
BaseRepresentation
bin11100010110100110…
…110000100100000100
32220120200210222022112
4130112212300210010
5444322132431322
621552533120152
72125300662401
oct342646604404
986520728275
1030444030212
1111a02952552
125a97789058
132b4238177b
14168b3d12a8
15bd2ad85e2
hex7169b0904

30444030212 has 6 divisors (see below), whose sum is σ = 53277052878. Its totient is φ = 15222015104.

The previous prime is 30444030203. The next prime is 30444030241. The reversal of 30444030212 is 21203044403.

It can be written as a sum of positive squares in only one way, i.e., 30343549636 + 100480576 = 174194^2 + 10024^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805503773 + ... + 3805503780.

It is an arithmetic number, because the mean of its divisors is an integer number (8879508813).

Almost surely, 230444030212 is an apocalyptic number.

It is an amenable number.

30444030212 is a deficient number, since it is larger than the sum of its proper divisors (22833022666).

30444030212 is a wasteful number, since it uses less digits than its factorization.

30444030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611007557 (or 7611007555 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30444030212 its reverse (21203044403), we get a palindrome (51647074615).

The spelling of 30444030212 in words is "thirty billion, four hundred forty-four million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 7611007553 15222015106 30444030212