Base | Representation |
---|---|
bin | 1111100010001… |
… | …01110110111000 |
3 | 100002012102010000 |
4 | 13301011312320 |
5 | 231324401220 |
6 | 20532553000 |
7 | 3141420153 |
oct | 761056670 |
9 | 302172100 |
10 | 130309560 |
11 | 67613557 |
12 | 37782760 |
13 | 20cc6664 |
14 | 13440c9a |
15 | b690390 |
hex | 7c45db8 |
130309560 has 160 divisors (see below), whose sum is σ = 450236160. Its totient is φ = 33778944.
The previous prime is 130309511. The next prime is 130309561. The reversal of 130309560 is 65903031.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130309561) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119337 + ... + 120423.
It is an arithmetic number, because the mean of its divisors is an integer number (2813976).
Almost surely, 2130309560 is an apocalyptic number.
130309560 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 130309560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225118080).
130309560 is an abundant number, since it is smaller than the sum of its proper divisors (319926600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130309560 is a wasteful number, since it uses less digits than its factorization.
130309560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1147 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 27.
The square root of 130309560 is about 11415.3212832579. The cubic root of 130309560 is about 506.9814775629.
The spelling of 130309560 in words is "one hundred thirty million, three hundred nine thousand, five hundred sixty".
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