Base | Representation |
---|---|
bin | 1111100000110… |
… | …00010111110111 |
3 | 100001211221112211 |
4 | 13300120113313 |
5 | 231302421010 |
6 | 20524554251 |
7 | 3140013043 |
oct | 760302767 |
9 | 301757484 |
10 | 130123255 |
11 | 674a6589 |
12 | 376b2987 |
13 | 20c5c912 |
14 | 133d3023 |
15 | b65508a |
hex | 7c185f7 |
130123255 has 8 divisors (see below), whose sum is σ = 156311424. Its totient is φ = 103989600.
The previous prime is 130123247. The next prime is 130123271. The reversal of 130123255 is 552321031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130123255 - 23 = 130123247 is a prime.
It is a super-3 number, since 3×1301232553 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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 7 ways as a sum of consecutive naturals, for example, 8176 + ... + 18085.
It is an arithmetic number, because the mean of its divisors is an integer number (19538928).
Almost surely, 2130123255 is an apocalyptic number.
130123255 is a deficient number, since it is larger than the sum of its proper divisors (26188169).
130123255 is an equidigital number, since it uses as much as digits as its factorization.
130123255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27257.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 130123255 is about 11407.1580597448. The cubic root of 130123255 is about 506.7397500090.
Adding to 130123255 its reverse (552321031), we get a palindrome (682444286).
The spelling of 130123255 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •