Base | Representation |
---|---|
bin | 1110011100001… |
… | …01110110110101 |
3 | 22102221021022121 |
4 | 13032011312311 |
5 | 222002301032 |
6 | 20004155541 |
7 | 3000424600 |
oct | 716056665 |
9 | 272837277 |
10 | 121134517 |
11 | 62417179 |
12 | 34698bb1 |
13 | 1c13343a |
14 | 12133337 |
15 | a97ba97 |
hex | 7385db5 |
121134517 has 12 divisors (see below), whose sum is σ = 141194016. Its totient is φ = 103621560.
The previous prime is 121134499. The next prime is 121134523. The reversal of 121134517 is 715431121.
It is not a de Polignac number, because 121134517 - 27 = 121134389 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121134491 and 121134500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121134527) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25392 + ... + 29782.
It is an arithmetic number, because the mean of its divisors is an integer number (11766168).
Almost surely, 2121134517 is an apocalyptic number.
It is an amenable number.
121134517 is a deficient number, since it is larger than the sum of its proper divisors (20059499).
121134517 is an equidigital number, since it uses as much as digits as its factorization.
121134517 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4968 (or 4961 counting only the distinct ones).
The product of its digits is 840, while the sum is 25.
The square root of 121134517 is about 11006.1127106713. The cubic root of 121134517 is about 494.7919637310.
Adding to 121134517 its reverse (715431121), we get a palindrome (836565638).
The spelling of 121134517 in words is "one hundred twenty-one million, one hundred thirty-four thousand, five hundred seventeen".
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