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30243134224 = 242309818621
BaseRepresentation
bin11100001010101000…
…011001101100010000
32220001200210101211101
4130022220121230100
5443414220243344
621520555154144
72120311253662
oct341250315420
986050711741
1030243134224
111190a508406
125a40445954
132b0c8726c4
14166c858532
15bc01539d4
hex70aa19b10

30243134224 has 20 divisors (see below), whose sum is σ = 58621521420. Its totient is φ = 15114999680.

The previous prime is 30243134197. The next prime is 30243134231. The reversal of 30243134224 is 42243134203.

It can be written as a sum of positive squares in 2 ways, for example, as 18832621824 + 11410512400 = 137232^2 + 106820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30243134192 and 30243134201.

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, 372367 + ... + 446254.

It is an arithmetic number, because the mean of its divisors is an integer number (2931076071).

Almost surely, 230243134224 is an apocalyptic number.

It is an amenable number.

30243134224 is a deficient number, since it is larger than the sum of its proper divisors (28378387196).

30243134224 is a wasteful number, since it uses less digits than its factorization.

30243134224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820938 (or 820932 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30243134224 its reverse (42243134203), we get a palindrome (72486268427).

The spelling of 30243134224 in words is "thirty billion, two hundred forty-three million, one hundred thirty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 2309 4618 9236 18472 36944 818621 1637242 3274484 6548968 13097936 1890195889 3780391778 7560783556 15121567112 30243134224