Base | Representation |
---|---|
bin | 1110110010011… |
… | …00011100110001 |
3 | 22122102010220011 |
4 | 13121030130301 |
5 | 223223420410 |
6 | 20150414521 |
7 | 3034236352 |
oct | 731143461 |
9 | 278363804 |
10 | 124045105 |
11 | 64024a18 |
12 | 35661441 |
13 | 1c912192 |
14 | 1268dd29 |
15 | ad5418a |
hex | 764c731 |
124045105 has 8 divisors (see below), whose sum is σ = 153656064. Its totient is φ = 96034800.
The previous prime is 124045099. The next prime is 124045109. The reversal of 124045105 is 501540421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 124045105 - 217 = 123914033 is a prime.
It is a super-2 number, since 2×1240451052 = 30774376148922050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (124045109) 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, 399991 + ... + 400300.
It is an arithmetic number, because the mean of its divisors is an integer number (19207008).
Almost surely, 2124045105 is an apocalyptic number.
It is an amenable number.
124045105 is a deficient number, since it is larger than the sum of its proper divisors (29610959).
124045105 is an equidigital number, since it uses as much as digits as its factorization.
124045105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800327.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 124045105 is about 11137.5538158071. The cubic root of 124045105 is about 498.7235507945.
Adding to 124045105 its reverse (501540421), we get a palindrome (625585526).
The spelling of 124045105 in words is "one hundred twenty-four million, forty-five thousand, one hundred five".
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