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30221113104 = 24327135939089
BaseRepresentation
bin11100001001010100…
…011001011100010000
32220000011100121112100
4130021110121130100
5443343101104404
621514451200400
72116623136320
oct341124313420
986004317470
1030221113104
11118a9037636
125a34ba6100
132b08132360
141669965280
15bbd253d39
hex709519710

30221113104 has 240 divisors, whose sum is σ = 105861974400. Its totient is φ = 7835111424.

The previous prime is 30221113103. The next prime is 30221113207. The reversal of 30221113104 is 40131112203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30221113103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 753592 + ... + 792680.

It is an arithmetic number, because the mean of its divisors is an integer number (441091560).

Almost surely, 230221113104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221113104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52930987200).

30221113104 is an abundant number, since it is smaller than the sum of its proper divisors (75640861296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221113104 is a wasteful number, since it uses less digits than its factorization.

30221113104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39182 (or 39173 counting only the distinct ones).

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

Adding to 30221113104 its reverse (40131112203), we get a palindrome (70352225307).

Subtracting 30221113104 from its reverse (40131112203), we obtain a palindrome (9909999099).

The spelling of 30221113104 in words is "thirty billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred four".