Base | Representation |
---|---|
bin | 1110011100001… |
… | …11011101110001 |
3 | 22102221121100121 |
4 | 13032013131301 |
5 | 222003003410 |
6 | 20004250241 |
7 | 3000453031 |
oct | 716073561 |
9 | 272847317 |
10 | 121141105 |
11 | 62421118 |
12 | 346a0981 |
13 | 1c136437 |
14 | 121358c1 |
15 | a97d9da |
hex | 7387771 |
121141105 has 8 divisors (see below), whose sum is σ = 148750272. Its totient is φ = 94658928.
The previous prime is 121141079. The next prime is 121141129. The reversal of 121141105 is 501141121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121141105 - 217 = 121010033 is a prime.
It is a super-3 number, since 3×1211411053 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281509 + ... + 281938.
It is an arithmetic number, because the mean of its divisors is an integer number (18593784).
Almost surely, 2121141105 is an apocalyptic number.
It is an amenable number.
121141105 is a deficient number, since it is larger than the sum of its proper divisors (27609167).
121141105 is an equidigital number, since it uses as much as digits as its factorization.
121141105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563495.
The product of its (nonzero) digits is 40, while the sum is 16.
The square root of 121141105 is about 11006.4119948328. The cubic root of 121141105 is about 494.8009334572.
Adding to 121141105 its sum of digits (16), we get a palindrome (121141121).
Adding to 121141105 its reverse (501141121), we get a palindrome (622282226).
The spelling of 121141105 in words is "one hundred twenty-one million, one hundred forty-one thousand, one hundred five".
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