Base | Representation |
---|---|
bin | 1111100001110… |
… | …10000101010000 |
3 | 100002002221221122 |
4 | 13300322011100 |
5 | 231321330303 |
6 | 20531541412 |
7 | 3141126431 |
oct | 760720520 |
9 | 302087848 |
10 | 130261328 |
11 | 6759029a |
12 | 3775a868 |
13 | 20caa712 |
14 | 1342b488 |
15 | b680e38 |
hex | 7c3a150 |
130261328 has 40 divisors (see below), whose sum is σ = 264441408. Its totient is φ = 62042112.
The previous prime is 130261309. The next prime is 130261331. The reversal of 130261328 is 823162031.
It is a junction number, because it is equal to n+sod(n) for n = 130261297 and 130261306.
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, 112400 + ... + 113552.
Almost surely, 2130261328 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130261328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132220704).
130261328 is an abundant number, since it is smaller than the sum of its proper divisors (134180080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130261328 is a wasteful number, since it uses less digits than its factorization.
130261328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491 (or 1485 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 130261328 is about 11413.2084884138. The cubic root of 130261328 is about 506.9189194815.
The spelling of 130261328 in words is "one hundred thirty million, two hundred sixty-one thousand, three hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •