Base | Representation |
---|---|
bin | 1111100001110… |
… | …11011010011100 |
3 | 100002010020102120 |
4 | 13300323122130 |
5 | 231322014110 |
6 | 20532022540 |
7 | 3141151350 |
oct | 760733234 |
9 | 302106376 |
10 | 130266780 |
11 | 675943a6 |
12 | 37761a50 |
13 | 20cb0047 |
14 | 1342d460 |
15 | b682870 |
hex | 7c3b69c |
130266780 has 96 divisors (see below), whose sum is σ = 426607104. Its totient is φ = 29078784.
The previous prime is 130266761. The next prime is 130266797. The reversal of 130266780 is 87662031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14454 + ... + 21666.
It is an arithmetic number, because the mean of its divisors is an integer number (4443824).
Almost surely, 2130266780 is an apocalyptic number.
130266780 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 130266780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213303552).
130266780 is an abundant number, since it is smaller than the sum of its proper divisors (296340324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130266780 is a wasteful number, since it uses less digits than its factorization.
130266780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7275 (or 7273 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 130266780 is about 11413.4473319852. The cubic root of 130266780 is about 506.9259916326.
The spelling of 130266780 in words is "one hundred thirty million, two hundred sixty-six thousand, seven hundred eighty".
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