Base | Representation |
---|---|
bin | 11011100000111110011010… |
… | …111100111001111101110011 |
3 | 120212110202111011120011110021 |
4 | 123200332122330321331303 |
5 | 111330140221111102011 |
6 | 1105212424413344311 |
7 | 34326631315360315 |
oct | 3340763274717563 |
9 | 525422434504407 |
10 | 121013303222131 |
11 | 356164a9949861 |
12 | 116a5232498097 |
13 | 526a675852788 |
14 | 21c510a2137b5 |
15 | decc78c67471 |
hex | 6e0f9af39f73 |
121013303222131 has 4 divisors (see below), whose sum is σ = 121013446469200. Its totient is φ = 121013159975064.
The previous prime is 121013303222111. The next prime is 121013303222137. The reversal of 121013303222131 is 131222303310121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 121013303222131 - 25 = 121013303222099 is a prime.
It is a super-2 number, since 2×1210133032221312 (a number of 29 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 = 121013303222096 and 121013303222105.
It is not an unprimeable number, because it can be changed into a prime (121013303222137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70348791 + ... + 72048448.
It is an arithmetic number, because the mean of its divisors is an integer number (30253361617300).
Almost surely, 2121013303222131 is an apocalyptic number.
121013303222131 is a deficient number, since it is larger than the sum of its proper divisors (143247069).
121013303222131 is an equidigital number, since it uses as much as digits as its factorization.
121013303222131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143247068.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 121013303222131 its reverse (131222303310121), we get a palindrome (252235606532252).
The spelling of 121013303222131 in words is "one hundred twenty-one trillion, thirteen billion, three hundred three million, two hundred twenty-two thousand, one hundred thirty-one".
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