Base | Representation |
---|---|
bin | 1110101011010… |
… | …01111011100010 |
3 | 22120200000011100 |
4 | 13111221323202 |
5 | 223004223112 |
6 | 20114455230 |
7 | 3023323341 |
oct | 725517342 |
9 | 276600140 |
10 | 123117282 |
11 | 63550922 |
12 | 35294516 |
13 | 1c678a82 |
14 | 124cbb58 |
15 | ac1e2dc |
hex | 7569ee2 |
123117282 has 12 divisors (see below), whose sum is σ = 266754150. Its totient is φ = 41039088.
The previous prime is 123117271. The next prime is 123117287. The reversal of 123117282 is 282711321.
It can be written as a sum of positive squares in only one way, i.e., 72437121 + 50680161 = 8511^2 + 7119^2 .
It is not an unprimeable number, because it can be changed into a prime (123117287) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3419907 + ... + 3419942.
Almost surely, 2123117282 is an apocalyptic number.
123117282 is an abundant number, since it is smaller than the sum of its proper divisors (143636868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123117282 is a wasteful number, since it uses less digits than its factorization.
123117282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6839857 (or 6839854 counting only the distinct ones).
The product of its digits is 1344, while the sum is 27.
The square root of 123117282 is about 11095.8227274952. The cubic root of 123117282 is about 497.4769996858.
The spelling of 123117282 in words is "one hundred twenty-three million, one hundred seventeen thousand, two hundred eighty-two".
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