Base | Representation |
---|---|
bin | 11011100000111110001010… |
… | …101111101001001100100001 |
3 | 120212110201210012220121021210 |
4 | 123200332022233221030201 |
5 | 111330134142003410423 |
6 | 1105212341421340333 |
7 | 34326621504224025 |
oct | 3340761257511441 |
9 | 525421705817253 |
10 | 121013031310113 |
11 | 3561637a40a288 |
12 | 116a51774076a9 |
13 | 526a63140a5a7 |
14 | 21c50c2072385 |
15 | decc5ee55b93 |
hex | 6e0f8abe9321 |
121013031310113 has 16 divisors (see below), whose sum is σ = 161782059373056. Its totient is φ = 80459961584640.
The previous prime is 121013031310111. The next prime is 121013031310123. The reversal of 121013031310113 is 311013130310121.
It is not a de Polignac number, because 121013031310113 - 21 = 121013031310111 is a prime.
It is a super-2 number, since 2×1210130313101132 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121013031310113.
It is not an unprimeable number, because it can be changed into a prime (121013031310111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33645120 + ... + 37067777.
It is an arithmetic number, because the mean of its divisors is an integer number (10111378710816).
Almost surely, 2121013031310113 is an apocalyptic number.
It is an amenable number.
121013031310113 is a deficient number, since it is larger than the sum of its proper divisors (40769028062943).
121013031310113 is an equidigital number, since it uses as much as digits as its factorization.
121013031310113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70714424.
The product of its (nonzero) digits is 162, while the sum is 21.
Adding to 121013031310113 its reverse (311013130310121), we get a palindrome (432026161620234).
The spelling of 121013031310113 in words is "one hundred twenty-one trillion, thirteen billion, thirty-one million, three hundred ten thousand, one hundred thirteen".
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