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30221221113 = 3217743265847
BaseRepresentation
bin11100001001010100…
…110011110011111001
32220000011120002200200
4130021110303303321
5443343113033423
621514453352413
72116624066236
oct341124636371
986004502620
1030221221113
11118a91007a6
125a35038709
132b0816c575
14166999278d
15bbd275d43
hex709533cf9

30221221113 has 24 divisors (see below), whose sum is σ = 46283073408. Its totient is φ = 18936742272.

The previous prime is 30221221027. The next prime is 30221221139. The reversal of 30221221113 is 31112212203.

It is not a de Polignac number, because 30221221113 - 28 = 30221220857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30221221183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19245 + ... + 246602.

It is an arithmetic number, because the mean of its divisors is an integer number (1928461392).

Almost surely, 230221221113 is an apocalyptic number.

It is an amenable number.

30221221113 is a deficient number, since it is larger than the sum of its proper divisors (16061852295).

30221221113 is a wasteful number, since it uses less digits than its factorization.

30221221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266613 (or 266610 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30221221113 its reverse (31112212203), we get a palindrome (61333433316).

The spelling of 30221221113 in words is "thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 3 9 17 51 153 743 2229 6687 12631 37893 113679 265847 797541 2392623 4519399 13558197 40674591 197524321 592572963 1777718889 3357913457 10073740371 30221221113