Base | Representation |
---|---|
bin | 111000011111000111… |
… | …0001110100010010000 |
3 | 102121002210222221011100 |
4 | 1300332032032202100 |
5 | 3441412032014412 |
6 | 131420440144400 |
7 | 11523000332550 |
oct | 1607616164220 |
9 | 377083887140 |
10 | 121303001232 |
11 | 47498422246 |
12 | 1b614168100 |
13 | b59213340a |
14 | 5c2a409160 |
15 | 324e589edc |
hex | 1c3e38e890 |
121303001232 has 120 divisors (see below), whose sum is σ = 388241740224. Its totient is φ = 34634356992.
The previous prime is 121303001227. The next prime is 121303001257. The reversal of 121303001232 is 232100303121.
121303001232 is a `hidden beast` number, since 1 + 2 + 130 + 300 + 1 + 232 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 23 ways as a sum of consecutive naturals, for example, 1464643 + ... + 1545245.
Almost surely, 2121303001232 is an apocalyptic number.
121303001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121303001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194120870112).
121303001232 is an abundant number, since it is smaller than the sum of its proper divisors (266938738992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121303001232 is a wasteful number, since it uses less digits than its factorization.
121303001232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82117 (or 82108 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 121303001232 its reverse (232100303121), we get a palindrome (353403304353).
The spelling of 121303001232 in words is "one hundred twenty-one billion, three hundred three million, one thousand, two hundred thirty-two".
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