Base | Representation |
---|---|
bin | 1110101010101… |
… | …11010101011001 |
3 | 22120112010200021 |
4 | 13111113111121 |
5 | 222444303423 |
6 | 20113110441 |
7 | 3022555306 |
oct | 725272531 |
9 | 276463607 |
10 | 123041113 |
11 | 634a9678 |
12 | 35258421 |
13 | 1c6501c0 |
14 | 124ac0ad |
15 | ac0695d |
hex | 7557559 |
123041113 has 8 divisors (see below), whose sum is σ = 137075400. Its totient is φ = 109659648.
The previous prime is 123041111. The next prime is 123041141. The reversal of 123041113 is 311140321.
It can be written as a sum of positive squares in 4 ways, for example, as 18939904 + 104101209 = 4352^2 + 10203^2 .
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 123041113 - 21 = 123041111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123041111) 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, 162808 + ... + 163561.
It is an arithmetic number, because the mean of its divisors is an integer number (17134425).
Almost surely, 2123041113 is an apocalyptic number.
123041113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
123041113 is a deficient number, since it is larger than the sum of its proper divisors (14034287).
123041113 is a wasteful number, since it uses less digits than its factorization.
123041113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326411.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 123041113 is about 11092.3898687343. The cubic root of 123041113 is about 497.3743871147.
Adding to 123041113 its reverse (311140321), we get a palindrome (434181434).
The spelling of 123041113 in words is "one hundred twenty-three million, forty-one thousand, one hundred thirteen".
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