Base | Representation |
---|---|
bin | 1110101011011… |
… | …01000110111111 |
3 | 22120200200000121 |
4 | 13111231012333 |
5 | 223010132203 |
6 | 20115035411 |
7 | 3023406322 |
oct | 725550677 |
9 | 276620017 |
10 | 123130303 |
11 | 6355a68a |
12 | 3529bb67 |
13 | 1c68198a |
14 | 124d27b9 |
15 | ac230bd |
hex | 756d1bf |
123130303 has 8 divisors (see below), whose sum is σ = 130654080. Its totient is φ = 115637760.
The previous prime is 123130243. The next prime is 123130327. The reversal of 123130303 is 303031321.
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 123130303 - 217 = 122999231 is a prime.
It is a super-2 number, since 2×1231303032 = 30322143033743618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123130373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 15703.
It is an arithmetic number, because the mean of its divisors is an integer number (16331760).
Almost surely, 2123130303 is an apocalyptic number.
123130303 is a deficient number, since it is larger than the sum of its proper divisors (7523777).
123130303 is a wasteful number, since it uses less digits than its factorization.
123130303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15617.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 123130303 is about 11096.4094643267. The cubic root of 123130303 is about 497.4945369467.
Adding to 123130303 its reverse (303031321), we get a palindrome (426161624).
The spelling of 123130303 in words is "one hundred twenty-three million, one hundred thirty thousand, three hundred three".
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