Base | Representation |
---|---|
bin | 1110011101000… |
… | …00011010100110 |
3 | 22110010210112200 |
4 | 13032200122212 |
5 | 222014241202 |
6 | 20010355330 |
7 | 3001360005 |
oct | 716403246 |
9 | 273123480 |
10 | 121243302 |
11 | 62490984 |
12 | 3472bb46 |
13 | 1c170acb |
14 | 12160c3c |
15 | a99de1c |
hex | 73a06a6 |
121243302 has 24 divisors (see below), whose sum is σ = 269795136. Its totient is φ = 39321936.
The previous prime is 121243301. The next prime is 121243319. The reversal of 121243302 is 203342121.
121243302 is a `hidden beast` number, since 121 + 243 + 302 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121243301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90358 + ... + 91689.
It is an arithmetic number, because the mean of its divisors is an integer number (11241464).
Almost surely, 2121243302 is an apocalyptic number.
121243302 is an abundant number, since it is smaller than the sum of its proper divisors (148551834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121243302 is a wasteful number, since it uses less digits than its factorization.
121243302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182092 (or 182089 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 121243302 is about 11011.0536280594. The cubic root of 121243302 is about 494.9400355890.
Adding to 121243302 its reverse (203342121), we get a palindrome (324585423).
The spelling of 121243302 in words is "one hundred twenty-one million, two hundred forty-three thousand, three hundred two".
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