Base | Representation |
---|---|
bin | 1110011101110… |
… | …01100111100010 |
3 | 22110100001010221 |
4 | 13032321213202 |
5 | 222031042110 |
6 | 20012513254 |
7 | 3002266654 |
oct | 716714742 |
9 | 273301127 |
10 | 121346530 |
11 | 62551498 |
12 | 3477b82a |
13 | 1c1a8aa6 |
14 | 1218a6d4 |
15 | a9be7da |
hex | 73b99e2 |
121346530 has 8 divisors (see below), whose sum is σ = 218423772. Its totient is φ = 48538608.
The previous prime is 121346509. The next prime is 121346531. The reversal of 121346530 is 35643121.
It can be written as a sum of positive squares in 2 ways, for example, as 110397049 + 10949481 = 10507^2 + 3309^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121346495 and 121346504.
It is not an unprimeable number, because it can be changed into a prime (121346531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6067317 + ... + 6067336.
Almost surely, 2121346530 is an apocalyptic number.
121346530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121346530 is a deficient number, since it is larger than the sum of its proper divisors (97077242).
121346530 is a wasteful number, since it uses less digits than its factorization.
121346530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12134660.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 121346530 is about 11015.7401022355. The cubic root of 121346530 is about 495.0804617018.
Adding to 121346530 its reverse (35643121), we get a palindrome (156989651).
The spelling of 121346530 in words is "one hundred twenty-one million, three hundred forty-six thousand, five hundred thirty".
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