Base | Representation |
---|---|
bin | 111000011100000111… |
… | …0000101100110010011 |
3 | 102120211210111211212101 |
4 | 1300320032011212103 |
5 | 3441210242120311 |
6 | 131402441541231 |
7 | 11520335364046 |
oct | 1607016054623 |
9 | 376753454771 |
10 | 121202301331 |
11 | 474465a2991 |
12 | 1b5a64a4817 |
13 | b577306187 |
14 | 5c1acb4c5d |
15 | 32457e7ec1 |
hex | 1c38385993 |
121202301331 has 8 divisors (see below), whose sum is σ = 124174958544. Its totient is φ = 118230430080.
The previous prime is 121202301323. The next prime is 121202301377. The reversal of 121202301331 is 133103202121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121202301331 - 23 = 121202301323 is a prime.
It is a super-2 number, since 2×1212023013312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121202301299 and 121202301308.
It is not an unprimeable number, because it can be changed into a prime (121202301131) 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 7 ways as a sum of consecutive naturals, for example, 121960 + ... + 507226.
It is an arithmetic number, because the mean of its divisors is an integer number (15521869818).
Almost surely, 2121202301331 is an apocalyptic number.
121202301331 is a deficient number, since it is larger than the sum of its proper divisors (2972657213).
121202301331 is an equidigital number, since it uses as much as digits as its factorization.
121202301331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392981.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 121202301331 its reverse (133103202121), we get a palindrome (254305503452).
The spelling of 121202301331 in words is "one hundred twenty-one billion, two hundred two million, three hundred one thousand, three hundred thirty-one".
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