Base | Representation |
---|---|
bin | 111000100010010011… |
… | …1011001110010110000 |
3 | 102121101021211110100100 |
4 | 1301010213121302300 |
5 | 3442122011423430 |
6 | 131435231152400 |
7 | 11525442134646 |
oct | 1610447316260 |
9 | 377337743310 |
10 | 121410264240 |
11 | 47542a24561 |
12 | 1b644075700 |
13 | b5ab41aa55 |
14 | 5c3a76b196 |
15 | 3258bc6960 |
hex | 1c449d9cb0 |
121410264240 has 60 divisors (see below), whose sum is σ = 407736139824. Its totient is φ = 32376070272.
The previous prime is 121410264229. The next prime is 121410264263. The reversal of 121410264240 is 42462014121.
121410264240 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 10 + 2 + 642 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (60).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 84311964 + ... + 84313403.
Almost surely, 2121410264240 is an apocalyptic number.
121410264240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121410264240 is an abundant number, since it is smaller than the sum of its proper divisors (286325875584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121410264240 is a wasteful number, since it uses less digits than its factorization.
121410264240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168625386 (or 168625377 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 121410264240 its reverse (42462014121), we get a palindrome (163872278361).
The spelling of 121410264240 in words is "one hundred twenty-one billion, four hundred ten million, two hundred sixty-four thousand, two hundred forty".
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