Base | Representation |
---|---|
bin | 1110011011011… |
… | …00011001101111 |
3 | 22102201222022001 |
4 | 13031230121233 |
5 | 221440432010 |
6 | 20002033131 |
7 | 2666511613 |
oct | 715543157 |
9 | 272658261 |
10 | 121030255 |
11 | 62355905 |
12 | 346487a7 |
13 | 1c0c7b48 |
14 | 12107343 |
15 | a95ac3a |
hex | 736c66f |
121030255 has 8 divisors (see below), whose sum is σ = 151551072. Its totient is φ = 92614368.
The previous prime is 121030243. The next prime is 121030267. The reversal of 121030255 is 552030121.
It is an interprime number because it is at equal distance from previous prime (121030243) and next prime (121030267).
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 121030255 - 211 = 121028207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526104 + ... + 526333.
It is an arithmetic number, because the mean of its divisors is an integer number (18943884).
Almost surely, 2121030255 is an apocalyptic number.
121030255 is a deficient number, since it is larger than the sum of its proper divisors (30520817).
121030255 is a wasteful number, since it uses less digits than its factorization.
121030255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1052465.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 121030255 is about 11001.3751413176. The cubic root of 121030255 is about 494.6499650976.
Adding to 121030255 its reverse (552030121), we get a palindrome (673060376).
The spelling of 121030255 in words is "one hundred twenty-one million, thirty thousand, two hundred fifty-five".
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