Base | Representation |
---|---|
bin | 11100011010010000… |
… | …000110100111110011 |
3 | 2220201221220201122111 |
4 | 130122100012213303 |
5 | 444433312400430 |
6 | 22003000150151 |
7 | 2126642631325 |
oct | 343220064763 |
9 | 86657821574 |
10 | 30505200115 |
11 | 11a34432395 |
12 | 5ab4168357 |
13 | 2b51c4b090 |
14 | 1695595615 |
15 | bd816cc2a |
hex | 71a4069f3 |
30505200115 has 16 divisors (see below), whose sum is σ = 39521438208. Its totient is φ = 22470155136.
The previous prime is 30505200109. The next prime is 30505200157. The reversal of 30505200115 is 51100250503.
It is not a de Polignac number, because 30505200115 - 27 = 30505199987 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 565267 + ... + 616876.
It is an arithmetic number, because the mean of its divisors is an integer number (2470089888).
Almost surely, 230505200115 is an apocalyptic number.
30505200115 is a deficient number, since it is larger than the sum of its proper divisors (9016238093).
30505200115 is a wasteful number, since it uses less digits than its factorization.
30505200115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1182558.
The product of its (nonzero) digits is 750, while the sum is 22.
Adding to 30505200115 its reverse (51100250503), we get a palindrome (81605450618).
The spelling of 30505200115 in words is "thirty billion, five hundred five million, two hundred thousand, one hundred fifteen".
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