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30315222000 = 243553721967
BaseRepresentation
bin11100001110111011…
…011001001111110000
32220020201102211200000
4130032323121033300
5444041144101000
621532052230000
72122145064300
oct341673311760
986221384600
1030315222000
1111947174a88
125a6060b300
132b217925ab
141678261600
15bc6643000
hex70eed93f0

30315222000 has 1440 divisors, whose sum is σ = 136458766080. Its totient is φ = 6466521600.

The previous prime is 30315221969. The next prime is 30315222029. The reversal of 30315222000 is 22251303.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 452465967 + ... + 452466033.

It is an arithmetic number, because the mean of its divisors is an integer number (94763032).

Almost surely, 230315222000 is an apocalyptic number.

30315222000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30315222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68229383040).

30315222000 is an abundant number, since it is smaller than the sum of its proper divisors (106143544080).

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

30315222000 is a wasteful number, since it uses less digits than its factorization.

30315222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 30315222000 its reverse (22251303), we get a palindrome (30337473303).

The spelling of 30315222000 in words is "thirty billion, three hundred fifteen million, two hundred twenty-two thousand".