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30221210313 = 327479701751
BaseRepresentation
bin11100001001010100…
…110001001011001001
32220000011112112212200
4130021110301023021
5443343112212223
621514453230413
72116624022610
oct341124611311
986004475780
1030221210313
11118a90a3678
125a35032409
132b08167688
14166998c877
15bbd272a43
hex7095312c9

30221210313 has 12 divisors (see below), whose sum is σ = 49888982208. Its totient is φ = 17269263000.

The previous prime is 30221210309. The next prime is 30221210351. The reversal of 30221210313 is 31301212203.

It is not a de Polignac number, because 30221210313 - 22 = 30221210309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30221210113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239850813 + ... + 239850938.

It is an arithmetic number, because the mean of its divisors is an integer number (4157415184).

Almost surely, 230221210313 is an apocalyptic number.

It is an amenable number.

30221210313 is a deficient number, since it is larger than the sum of its proper divisors (19667771895).

30221210313 is a wasteful number, since it uses less digits than its factorization.

30221210313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479701764 (or 479701761 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30221210313 its reverse (31301212203), we get a palindrome (61522422516).

The spelling of 30221210313 in words is "thirty billion, two hundred twenty-one million, two hundred ten thousand, three hundred thirteen".

Divisors: 1 3 7 9 21 63 479701751 1439105253 3357912257 4317315759 10073736771 30221210313