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30321132330 = 2351953194969
BaseRepresentation
bin11100001111010001…
…111100001100101010
32220021010120010010010
4130033101330030222
5444044202213310
621532423032350
72122246241466
oct341721741452
986233503103
1030321132330
111194a541555
125a6259b6b6
132b22a81828
141678d5d4a6
15bc6e0e320
hex70f47c32a

30321132330 has 32 divisors (see below), whose sum is σ = 76600756800. Its totient is φ = 7660075392.

The previous prime is 30321132313. The next prime is 30321132337. The reversal of 30321132330 is 3323112303.

It is a junction number, because it is equal to n+sod(n) for n = 30321132297 and 30321132306.

It is not an unprimeable number, because it can be changed into a prime (30321132337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26596915 + ... + 26598054.

It is an arithmetic number, because the mean of its divisors is an integer number (2393773650).

Almost surely, 230321132330 is an apocalyptic number.

30321132330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30321132330 is an abundant number, since it is smaller than the sum of its proper divisors (46279624470).

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

30321132330 is a wasteful number, since it uses less digits than its factorization.

30321132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53194998.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30321132330 its reverse (3323112303), we get a palindrome (33644244633).

The spelling of 30321132330 in words is "thirty billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 53194969 106389938 159584907 265974845 319169814 531949690 797924535 1010704411 1595849070 2021408822 3032113233 5053522055 6064226466 10107044110 15160566165 30321132330