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30032133220 = 2251501606661
BaseRepresentation
bin11011111110000011…
…011111110001100100
32212111222202102212101
4123332003133301210
5443001211230340
621444020501444
72112136630465
oct337603376144
985458672771
1030032133220
11118113a1211
1259a184a884
132aa7c3603b
14164c810d6c
15bab874c9a
hex6fe0dfc64

30032133220 has 12 divisors (see below), whose sum is σ = 63067479804. Its totient is φ = 12012853280.

The previous prime is 30032133217. The next prime is 30032133281. The reversal of 30032133220 is 2233123003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9220608576 + 20811524644 = 96024^2 + 144262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750803311 + ... + 750803350.

It is an arithmetic number, because the mean of its divisors is an integer number (5255623317).

Almost surely, 230032133220 is an apocalyptic number.

It is an amenable number.

30032133220 is an abundant number, since it is smaller than the sum of its proper divisors (33035346584).

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

30032133220 is a wasteful number, since it uses less digits than its factorization.

30032133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501606670 (or 1501606668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30032133220 its reverse (2233123003), we get a palindrome (32265256223).

The spelling of 30032133220 in words is "thirty billion, thirty-two million, one hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1501606661 3003213322 6006426644 7508033305 15016066610 30032133220