Base | Representation |
---|---|
bin | 11100000011010010… |
… | …111000110111000011 |
3 | 2212202010012021210101 |
4 | 130003102320313003 |
5 | 443141213213321 |
6 | 21500441143231 |
7 | 2114255144062 |
oct | 340322706703 |
9 | 85663167711 |
10 | 30120054211 |
11 | 11856a92595 |
12 | 5a0718ab17 |
13 | 2ac020a8b0 |
14 | 165a37a1d9 |
15 | bb4440791 |
hex | 7034b8dc3 |
30120054211 has 48 divisors (see below), whose sum is σ = 34853378560. Its totient is φ = 25856288640.
The previous prime is 30120054163. The next prime is 30120054287. The reversal of 30120054211 is 11245002103.
It is not a de Polignac number, because 30120054211 - 29 = 30120053699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30120054511) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 37138996 + ... + 37139806.
Almost surely, 230120054211 is an apocalyptic number.
30120054211 is a deficient number, since it is larger than the sum of its proper divisors (4733324349).
30120054211 is a wasteful number, since it uses less digits than its factorization.
30120054211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004 (or 975 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 30120054211 its reverse (11245002103), we get a palindrome (41365056314).
The spelling of 30120054211 in words is "thirty billion, one hundred twenty million, fifty-four thousand, two hundred eleven".
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