Base | Representation |
---|---|
bin | 1111100011101… |
… | …00110010000000 |
3 | 100002120011202112 |
4 | 13301310302000 |
5 | 231402024020 |
6 | 20541034452 |
7 | 3143150414 |
oct | 761646200 |
9 | 302504675 |
10 | 130501760 |
11 | 677349a4 |
12 | 37855a28 |
13 | 21062c9c |
14 | 13490d44 |
15 | b6cc2c5 |
hex | 7c74c80 |
130501760 has 32 divisors (see below), whose sum is σ = 311982300. Its totient is φ = 52200448.
The previous prime is 130501757. The next prime is 130501783. The reversal of 130501760 is 67105031.
It can be written as a sum of positive squares in 2 ways, for example, as 129595456 + 906304 = 11384^2 + 952^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101315 + ... + 102594.
Almost surely, 2130501760 is an apocalyptic number.
130501760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130501760 is an abundant number, since it is smaller than the sum of its proper divisors (181480540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130501760 is an equidigital number, since it uses as much as digits as its factorization.
130501760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203928 (or 203916 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 23.
The square root of 130501760 is about 11423.7366916434. The cubic root of 130501760 is about 507.2306124484.
Adding to 130501760 its reverse (67105031), we get a palindrome (197606791).
The spelling of 130501760 in words is "one hundred thirty million, five hundred one thousand, seven hundred sixty".
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