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30220301212 = 227555075303
BaseRepresentation
bin11100001001010001…
…010011001110011100
32220000002211100211021
4130021101103032130
5443342344114322
621514421533524
72116613215303
oct341121231634
986002740737
1030220301212
11118a8632652
125a348742a4
132b07c0994a
1416697d343a
15bbd1434c7
hex70945339c

30220301212 has 6 divisors (see below), whose sum is σ = 52885527128. Its totient is φ = 15110150604.

The previous prime is 30220301207. The next prime is 30220301213. The reversal of 30220301212 is 21210302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220301213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777537648 + ... + 3777537655.

Almost surely, 230220301212 is an apocalyptic number.

It is an amenable number.

30220301212 is a deficient number, since it is larger than the sum of its proper divisors (22665225916).

30220301212 is a wasteful number, since it uses less digits than its factorization.

30220301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555075307 (or 7555075305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30220301212 its reverse (21210302203), we get a palindrome (51430603415).

Subtracting from 30220301212 its reverse (21210302203), we obtain a palindrome (9009999009).

The spelling of 30220301212 in words is "thirty billion, two hundred twenty million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7555075303 15110150606 30220301212