Base | Representation |
---|---|
bin | 11100000011010011… |
… | …111010000010101011 |
3 | 2212202010200212000200 |
4 | 130003103322002223 |
5 | 443141300234240 |
6 | 21500451003243 |
7 | 2114260335336 |
oct | 340323720253 |
9 | 85663625020 |
10 | 30120321195 |
11 | 11857155138 |
12 | 5a07299523 |
13 | 2ac02a2283 |
14 | 165a40961d |
15 | bb4494930 |
hex | 7034fa0ab |
30120321195 has 48 divisors (see below), whose sum is σ = 54094446432. Its totient is φ = 15491589120.
The previous prime is 30120321157. The next prime is 30120321199. The reversal of 30120321195 is 59112302103.
30120321195 is a `hidden beast` number, since 30 + 120 + 321 + 195 = 666.
It is not a de Polignac number, because 30120321195 - 211 = 30120319147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30120321199) 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, 108100 + ... + 268190.
It is an arithmetic number, because the mean of its divisors is an integer number (1126967634).
Almost surely, 230120321195 is an apocalyptic number.
30120321195 is a deficient number, since it is larger than the sum of its proper divisors (23974125237).
30120321195 is a wasteful number, since it uses less digits than its factorization.
30120321195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160252 (or 160249 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
Adding to 30120321195 its reverse (59112302103), we get a palindrome (89232623298).
The spelling of 30120321195 in words is "thirty billion, one hundred twenty million, three hundred twenty-one thousand, one hundred ninety-five".
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