Base | Representation |
---|---|
bin | 11100011011001001… |
… | …010000011011010110 |
3 | 2220210000002220121010 |
4 | 130123021100123112 |
5 | 1000001131314421 |
6 | 22004253233050 |
7 | 2130214161603 |
oct | 343311203326 |
9 | 86700086533 |
10 | 30520182486 |
11 | 11a41935912 |
12 | 5ab9192786 |
13 | 2b550956a1 |
14 | 16975756aa |
15 | bd962c076 |
hex | 71b2506d6 |
30520182486 has 64 divisors (see below), whose sum is σ = 65107526400. Its totient is φ = 9510068736.
The previous prime is 30520182479. The next prime is 30520182491. The reversal of 30520182486 is 68428102503.
It is a super-2 number, since 2×305201824862 (a number of 22 digits) contains 22 as substring.
It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 10681170 + ... + 10684026.
It is an arithmetic number, because the mean of its divisors is an integer number (1017305100).
Almost surely, 230520182486 is an apocalyptic number.
30520182486 is an abundant number, since it is smaller than the sum of its proper divisors (34587343914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30520182486 is a wasteful number, since it uses less digits than its factorization.
30520182486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4093.
The product of its (nonzero) digits is 92160, while the sum is 39.
Adding to 30520182486 its reverse (68428102503), we get a palindrome (98948284989).
The spelling of 30520182486 in words is "thirty billion, five hundred twenty million, one hundred eighty-two thousand, four hundred eighty-six".
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