Base | Representation |
---|---|
bin | 11100011001011010… |
… | …100100001001011011 |
3 | 2220200222111200110121 |
4 | 130121122210021123 |
5 | 444421214242100 |
6 | 22001335254111 |
7 | 2126412425404 |
oct | 343132441133 |
9 | 86628450417 |
10 | 30491165275 |
11 | 11a2751684a |
12 | 5aab51a337 |
13 | 2b4c075b3c |
14 | 16937809ab |
15 | bd6ce951a |
hex | 7196a425b |
30491165275 has 12 divisors (see below), whose sum is σ = 37948570144. Its totient is φ = 24302916000.
The previous prime is 30491165219. The next prime is 30491165291. The reversal of 30491165275 is 57256119403.
It is not a de Polignac number, because 30491165275 - 29 = 30491164763 is a prime.
It is a super-2 number, since 2×304911652752 (a number of 22 digits) contains 22 as substring.
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 11 ways as a sum of consecutive naturals, for example, 2243496 + ... + 2257045.
Almost surely, 230491165275 is an apocalyptic number.
30491165275 is a deficient number, since it is larger than the sum of its proper divisors (7457404869).
30491165275 is a wasteful number, since it uses less digits than its factorization.
30491165275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4500822 (or 4500817 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 43.
The spelling of 30491165275 in words is "thirty billion, four hundred ninety-one million, one hundred sixty-five thousand, two hundred seventy-five".
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