Base | Representation |
---|---|
bin | 11100011010010100… |
… | …110001010010001010 |
3 | 2220202001012212201121 |
4 | 130122110301102022 |
5 | 444434121022214 |
6 | 22003042305454 |
7 | 2126656215004 |
oct | 343224612212 |
9 | 86661185647 |
10 | 30506423434 |
11 | 11a350984a3 |
12 | 5ab465828a |
13 | 2b52288b36 |
14 | 16957d3374 |
15 | bd8310424 |
hex | 71a53148a |
30506423434 has 16 divisors (see below), whose sum is σ = 45912670848. Its totient is φ = 15202254672.
The previous prime is 30506423419. The next prime is 30506423471. The reversal of 30506423434 is 43432460503.
It is a self number, because there is not a number n which added to its sum of digits gives 30506423434.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186099 + ... + 1211545.
It is an arithmetic number, because the mean of its divisors is an integer number (2869541928).
Almost surely, 230506423434 is an apocalyptic number.
30506423434 is a deficient number, since it is larger than the sum of its proper divisors (15406247414).
30506423434 is a wasteful number, since it uses less digits than its factorization.
30506423434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27429.
The product of its (nonzero) digits is 103680, while the sum is 34.
Adding to 30506423434 its reverse (43432460503), we get a palindrome (73938883937).
The spelling of 30506423434 in words is "thirty billion, five hundred six million, four hundred twenty-three thousand, four hundred thirty-four".
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