Base | Representation |
---|---|
bin | 1111100001110… |
… | …10100111100000 |
3 | 100002010001221211 |
4 | 13300322213200 |
5 | 231321413040 |
6 | 20531555504 |
7 | 3141136012 |
oct | 760724740 |
9 | 302101854 |
10 | 130263520 |
11 | 67591a02 |
12 | 3775bb94 |
13 | 20cab70a |
14 | 1342c1b2 |
15 | b6818ea |
hex | 7c3a9e0 |
130263520 has 96 divisors (see below), whose sum is σ = 330347808. Its totient is φ = 48365568.
The previous prime is 130263499. The next prime is 130263521. The reversal of 130263520 is 25362031.
It is a junction number, because it is equal to n+sod(n) for n = 130263491 and 130263500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130263521) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225472 + ... + 226048.
It is an arithmetic number, because the mean of its divisors is an integer number (3441123).
Almost surely, 2130263520 is an apocalyptic number.
130263520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130263520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165173904).
130263520 is an abundant number, since it is smaller than the sum of its proper divisors (200084288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130263520 is a wasteful number, since it uses less digits than its factorization.
130263520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 692 (or 684 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 130263520 is about 11413.3045170976. The cubic root of 130263520 is about 506.9217628939.
The spelling of 130263520 in words is "one hundred thirty million, two hundred sixty-three thousand, five hundred twenty".
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