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30213443024 = 247841240829
BaseRepresentation
bin11100001000110111…
…001000110111010000
32212222121220221011022
4130020313020313100
5443334120134044
621514014535012
72116501012502
oct341067106720
985877827138
1030213443024
11118a4778a26
125a32507468
132b0667814b
141668929d72
15bbc73b3ee
hex708dc8dd0

30213443024 has 20 divisors (see below), whose sum is σ = 58546254660. Its totient is φ = 15104732160.

The previous prime is 30213443023. The next prime is 30213443081. The reversal of 30213443024 is 42034431203.

It can be written as a sum of positive squares in 2 ways, for example, as 22656270400 + 7557172624 = 150520^2 + 86932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30213442984 and 30213443002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213443023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042 + ... + 245870.

It is an arithmetic number, because the mean of its divisors is an integer number (2927312733).

Almost surely, 230213443024 is an apocalyptic number.

It is an amenable number.

30213443024 is a deficient number, since it is larger than the sum of its proper divisors (28332811636).

30213443024 is a wasteful number, since it uses less digits than its factorization.

30213443024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248678 (or 248672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30213443024 its reverse (42034431203), we get a palindrome (72247874227).

The spelling of 30213443024 in words is "thirty billion, two hundred thirteen million, four hundred forty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 7841 15682 31364 62728 125456 240829 481658 963316 1926632 3853264 1888340189 3776680378 7553360756 15106721512 30213443024