Base | Representation |
---|---|
bin | 111000011111000111… |
… | …0101110001111111010 |
3 | 102121002211020112100101 |
4 | 1300332032232033322 |
5 | 3441412100144010 |
6 | 131420443030014 |
7 | 11523001413346 |
oct | 1607616561772 |
9 | 377084215311 |
10 | 121303131130 |
11 | 474985008a5 |
12 | 1b61420b30a |
13 | b59217a58c |
14 | 5c2a440626 |
15 | 324e5b373a |
hex | 1c3e3ae3fa |
121303131130 has 32 divisors (see below), whose sum is σ = 226220894208. Its totient is φ = 46782748800.
The previous prime is 121303131121. The next prime is 121303131149. The reversal of 121303131130 is 31131303121.
It is a junction number, because it is equal to n+sod(n) for n = 121303131098 and 121303131107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637947 + ... + 805966.
It is an arithmetic number, because the mean of its divisors is an integer number (7069402944).
Almost surely, 2121303131130 is an apocalyptic number.
121303131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121303131130 is a deficient number, since it is larger than the sum of its proper divisors (104917763078).
121303131130 is a wasteful number, since it uses less digits than its factorization.
121303131130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1444222.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 121303131130 its reverse (31131303121), we get a palindrome (152434434251).
The spelling of 121303131130 in words is "one hundred twenty-one billion, three hundred three million, one hundred thirty-one thousand, one hundred thirty".
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