Base | Representation |
---|---|
bin | 111000011111000011… |
… | …0101000111000100001 |
3 | 102121002200020212110010 |
4 | 1300332012220320201 |
5 | 3441411024341001 |
6 | 131420325355133 |
7 | 11522644406211 |
oct | 1607606507041 |
9 | 377080225403 |
10 | 121301012001 |
11 | 47497293754 |
12 | 1b613568aa9 |
13 | b5918b7b60 |
14 | 5c2a04c241 |
15 | 324e2e58d6 |
hex | 1c3e1a8e21 |
121301012001 has 16 divisors (see below), whose sum is σ = 179794388480. Its totient is φ = 72238815360.
The previous prime is 121301011963. The next prime is 121301012093. The reversal of 121301012001 is 100210103121.
It is a de Polignac number, because none of the positive numbers 2k-121301012001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121301022001) 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 15 ways as a sum of consecutive naturals, for example, 50164636 + ... + 50167053.
It is an arithmetic number, because the mean of its divisors is an integer number (11237149280).
Almost surely, 2121301012001 is an apocalyptic number.
It is an amenable number.
121301012001 is a deficient number, since it is larger than the sum of its proper divisors (58493376479).
121301012001 is a wasteful number, since it uses less digits than its factorization.
121301012001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100331736.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 121301012001 its reverse (100210103121), we get a palindrome (221511115122).
The spelling of 121301012001 in words is "one hundred twenty-one billion, three hundred one million, twelve thousand, one".
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