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30321312234 = 2317297267767
BaseRepresentation
bin11100001111010010…
…101000000111101010
32220021010220020220020
4130033102220013222
5444044223442414
621532430541310
72122250621133
oct341722500752
986233806806
1030321312234
111194a654734
125a62667836
132b22b15695
141678da8c8a
15bc6e477a9
hex70f4a81ea

30321312234 has 16 divisors (see below), whose sum is σ = 64209837888. Its totient is φ = 9512568512.

The previous prime is 30321312227. The next prime is 30321312253. The reversal of 30321312234 is 43221312303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148633782 + ... + 148633985.

It is an arithmetic number, because the mean of its divisors is an integer number (4013114868).

Almost surely, 230321312234 is an apocalyptic number.

30321312234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30321312234 is an abundant number, since it is smaller than the sum of its proper divisors (33888525654).

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

30321312234 is a wasteful number, since it uses less digits than its factorization.

30321312234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297267789.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30321312234 its reverse (43221312303), we get a palindrome (73542624537).

The spelling of 30321312234 in words is "thirty billion, three hundred twenty-one million, three hundred twelve thousand, two hundred thirty-four".

Divisors: 1 2 3 6 17 34 51 102 297267767 594535534 891803301 1783606602 5053552039 10107104078 15160656117 30321312234