Base | Representation |
---|---|
bin | 111000100100100010… |
… | …0011011001110000001 |
3 | 102121120111102110122020 |
4 | 1301021010123032001 |
5 | 3442300123343441 |
6 | 131450500432053 |
7 | 11530340205300 |
oct | 1611104331601 |
9 | 377514373566 |
10 | 121484981121 |
11 | 47581117449 |
12 | 1b6650a8629 |
13 | b5c0a4b51a |
14 | 5c4665a437 |
15 | 3260534e66 |
hex | 1c4911b381 |
121484981121 has 24 divisors (see below), whose sum is σ = 189466752384. Its totient is φ = 69036438240.
The previous prime is 121484981113. The next prime is 121484981147. The reversal of 121484981121 is 121189484121.
It is not a de Polignac number, because 121484981121 - 23 = 121484981113 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121484981921) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2256345 + ... + 2309558.
It is an arithmetic number, because the mean of its divisors is an integer number (7894448016).
Almost surely, 2121484981121 is an apocalyptic number.
It is an amenable number.
121484981121 is a deficient number, since it is larger than the sum of its proper divisors (67981771263).
121484981121 is a wasteful number, since it uses less digits than its factorization.
121484981121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4566101 (or 4566094 counting only the distinct ones).
The product of its digits is 36864, while the sum is 42.
The spelling of 121484981121 in words is "one hundred twenty-one billion, four hundred eighty-four million, nine hundred eighty-one thousand, one hundred twenty-one".
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