Base | Representation |
---|---|
bin | 111000011111101001… |
… | …1110000111011001000 |
3 | 102121011002022001100210 |
4 | 1300333103300323020 |
5 | 3441431213330044 |
6 | 131422331001120 |
7 | 11523311303661 |
oct | 1607723607310 |
9 | 377132261323 |
10 | 121321230024 |
11 | 474a7742865 |
12 | 1b61a2991a0 |
13 | b595b46597 |
14 | 5c2c9d2368 |
15 | 3250e8b1b9 |
hex | 1c3f4f0ec8 |
121321230024 has 64 divisors (see below), whose sum is σ = 333147571200. Its totient is φ = 36646226496.
The previous prime is 121321229999. The next prime is 121321230029. The reversal of 121321230024 is 420032123121.
It is not an unprimeable number, because it can be changed into a prime (121321230029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5773324 + ... + 5794299.
It is an arithmetic number, because the mean of its divisors is an integer number (5205430800).
Almost surely, 2121321230024 is an apocalyptic number.
It is an amenable number.
121321230024 is an abundant number, since it is smaller than the sum of its proper divisors (211826341176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121321230024 is a wasteful number, since it uses less digits than its factorization.
121321230024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11567674 (or 11567670 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 121321230024 its reverse (420032123121), we get a palindrome (541353353145).
The spelling of 121321230024 in words is "one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty thousand, twenty-four".
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