Base | Representation |
---|---|
bin | 1110101011001… |
… | …10100000010111 |
3 | 22120122021220211 |
4 | 13111212200113 |
5 | 223003301010 |
6 | 20114310251 |
7 | 3023234422 |
oct | 725464027 |
9 | 276567824 |
10 | 123103255 |
11 | 63541330 |
12 | 35288387 |
13 | 1c672582 |
14 | 124c69b9 |
15 | ac1a08a |
hex | 7566817 |
123103255 has 16 divisors (see below), whose sum is σ = 165511584. Its totient is φ = 87108480.
The previous prime is 123103243. The next prime is 123103271. The reversal of 123103255 is 552301321.
It is a de Polignac number, because none of the positive numbers 2k-123103255 is a prime.
It is a super-2 number, since 2×1231032552 = 30308822783190050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28212 + ... + 32281.
It is an arithmetic number, because the mean of its divisors is an integer number (10344474).
Almost surely, 2123103255 is an apocalyptic number.
123103255 is a deficient number, since it is larger than the sum of its proper divisors (42408329).
123103255 is a wasteful number, since it uses less digits than its factorization.
123103255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60546.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 123103255 is about 11095.1906247707. The cubic root of 123103255 is about 497.4581061160.
Adding to 123103255 its reverse (552301321), we get a palindrome (675404576).
The spelling of 123103255 in words is "one hundred twenty-three million, one hundred three thousand, two hundred fifty-five".
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