Base | Representation |
---|---|
bin | 11100011110010000… |
… | …100111001011101000 |
3 | 2220220122102222122102 |
4 | 130132100213023220 |
5 | 1000103021123334 |
6 | 22013401312532 |
7 | 2131420320653 |
oct | 343620471350 |
9 | 86818388572 |
10 | 30572442344 |
11 | 11a6938a484 |
12 | 5b12795748 |
13 | 2b62b62592 |
14 | 16a049a89a |
15 | bde00167e |
hex | 71e4272e8 |
30572442344 has 16 divisors (see below), whose sum is σ = 57429295620. Its totient is φ = 15257963520.
The previous prime is 30572442311. The next prime is 30572442361. The reversal of 30572442344 is 44324427503.
It can be written as a sum of positive squares in 2 ways, for example, as 28550860900 + 2021581444 = 168970^2 + 44962^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30572442298 and 30572442307.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3527609 + ... + 3536264.
Almost surely, 230572442344 is an apocalyptic number.
It is an amenable number.
30572442344 is a deficient number, since it is larger than the sum of its proper divisors (26856853276).
30572442344 is a wasteful number, since it uses less digits than its factorization.
30572442344 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7064420 (or 7064416 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 38.
Adding to 30572442344 its reverse (44324427503), we get a palindrome (74896869847).
The spelling of 30572442344 in words is "thirty billion, five hundred seventy-two million, four hundred forty-two thousand, three hundred forty-four".
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