Base | Representation |
---|---|
bin | 1111100000110… |
… | …00010100000100 |
3 | 100001211221012211 |
4 | 13300120110010 |
5 | 231302414022 |
6 | 20524553204 |
7 | 3140012245 |
oct | 760302404 |
9 | 301757184 |
10 | 130123012 |
11 | 674a6388 |
12 | 376b2804 |
13 | 20c5c786 |
14 | 133d2ccc |
15 | b654e77 |
hex | 7c18504 |
130123012 has 24 divisors (see below), whose sum is σ = 233906400. Its totient is φ = 63301440.
The previous prime is 130123009. The next prime is 130123061. The reversal of 130123012 is 210321031.
It is a junction number, because it is equal to n+sod(n) for n = 130122983 and 130123001.
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, 75739 + ... + 77437.
It is an arithmetic number, because the mean of its divisors is an integer number (9746100).
Almost surely, 2130123012 is an apocalyptic number.
It is an amenable number.
130123012 is a deficient number, since it is larger than the sum of its proper divisors (103783388).
130123012 is a wasteful number, since it uses less digits than its factorization.
130123012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2211 (or 2209 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 130123012 is about 11407.1474085330. The cubic root of 130123012 is about 506.7394345701.
Adding to 130123012 its reverse (210321031), we get a palindrome (340444043).
The spelling of 130123012 in words is "one hundred thirty million, one hundred twenty-three thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •