Base | Representation |
---|---|
bin | 111000100000010011… |
… | …0111011101011011001 |
3 | 102121012121022201002022 |
4 | 1301000212323223121 |
5 | 3442002304011100 |
6 | 131424430144225 |
7 | 11523664516445 |
oct | 1610046735331 |
9 | 377177281068 |
10 | 121343032025 |
11 | 47508a83a46 |
12 | 1b625652075 |
13 | b59a50ac87 |
14 | 5c31869825 |
15 | 3252d45e85 |
hex | 1c409bbad9 |
121343032025 has 12 divisors (see below), whose sum is σ = 150559391484. Its totient is φ = 97013760000.
The previous prime is 121343031983. The next prime is 121343032043. The reversal of 121343032025 is 520230343121.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 22792242841 + 98550789184 = 150971^2 + 313928^2 .
It is not a de Polignac number, because 121343032025 - 26 = 121343031961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121343031985 and 121343032003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475816 + ... + 1555865.
It is an arithmetic number, because the mean of its divisors is an integer number (12546615957).
Almost surely, 2121343032025 is an apocalyptic number.
It is an amenable number.
121343032025 is a deficient number, since it is larger than the sum of its proper divisors (29216359459).
121343032025 is a wasteful number, since it uses less digits than its factorization.
121343032025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3033292 (or 3033287 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 121343032025 its reverse (520230343121), we get a palindrome (641573375146).
The spelling of 121343032025 in words is "one hundred twenty-one billion, three hundred forty-three million, thirty-two thousand, twenty-five".
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