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30120024424 = 237285279011
BaseRepresentation
bin11100000011010010…
…110001100101101000
32212202010010202221011
4130003102301211220
5443141211240144
621500440353304
72114254661200
oct340322614550
985663122834
1030120024424
1111856a72176
125a07175834
132ac01ca179
14165a36d400
15bb4436a34
hex7034b1968

30120024424 has 48 divisors (see below), whose sum is σ = 65710457280. Its totient is φ = 12905635680.

The previous prime is 30120024413. The next prime is 30120024427. The reversal of 30120024424 is 42442002103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30120024395 and 30120024404.

It is not an unprimeable number, because it can be changed into a prime (30120024427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3338079 + ... + 3347089.

It is an arithmetic number, because the mean of its divisors is an integer number (1368967860).

Almost surely, 230120024424 is an apocalyptic number.

It is an amenable number.

30120024424 is an abundant number, since it is smaller than the sum of its proper divisors (35590432856).

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

30120024424 is a wasteful number, since it uses less digits than its factorization.

30120024424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17558 (or 17547 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30120024424 its reverse (42442002103), we get a palindrome (72562026527).

The spelling of 30120024424 in words is "thirty billion, one hundred twenty million, twenty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 8527 9011 17054 18022 34108 36044 59689 63077 68216 72088 119378 126154 238756 252308 417823 441539 477512 504616 835646 883078 1671292 1766156 3342584 3532312 76836797 153673594 307347188 537857579 614694376 1075715158 2151430316 3765003053 4302860632 7530006106 15060012212 30120024424