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30322432212 = 2237393419309
BaseRepresentation
bin11100001111010110…
…111001100011010100
32220021020000011012220
4130033112321203110
5444100020312322
621532510542340
72122263264312
oct341726714324
986236004186
1030322432212
111195024a136
125a62b079b0
132b231183a7
1416791bb0b2
15bc70b955c
hex70f5b98d4

30322432212 has 24 divisors (see below), whose sum is σ = 70848103200. Its totient is φ = 10093797216.

The previous prime is 30322432207. The next prime is 30322432213. The reversal of 30322432212 is 21223422303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322432213) 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 7 ways as a sum of consecutive naturals, for example, 1700787 + ... + 1718522.

It is an arithmetic number, because the mean of its divisors is an integer number (2952004300).

Almost surely, 230322432212 is an apocalyptic number.

It is an amenable number.

30322432212 is an abundant number, since it is smaller than the sum of its proper divisors (40525670988).

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

30322432212 is a wasteful number, since it uses less digits than its factorization.

30322432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420055 (or 3420053 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30322432212 its reverse (21223422303), we get a palindrome (51545854515).

Subtracting from 30322432212 its reverse (21223422303), we obtain a palindrome (9099009909).

The spelling of 30322432212 in words is "thirty billion, three hundred twenty-two million, four hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 739 1478 2217 2956 4434 8868 3419309 6838618 10257927 13677236 20515854 41031708 2526869351 5053738702 7580608053 10107477404 15161216106 30322432212