Base | Representation |
---|---|
bin | 1111100011001… |
… | …10100011110110 |
3 | 100002110012212010 |
4 | 13301212203312 |
5 | 231343143020 |
6 | 20535505050 |
7 | 3142515531 |
oct | 761464366 |
9 | 302405763 |
10 | 130443510 |
11 | 676a515a |
12 | 37828186 |
13 | 21042612 |
14 | 13477a18 |
15 | b6b9de0 |
hex | 7c668f6 |
130443510 has 32 divisors (see below), whose sum is σ = 320348160. Its totient is φ = 33975648.
The previous prime is 130443487. The next prime is 130443517. The reversal of 130443510 is 15344031.
It is a super-2 number, since 2×1304435102 = 34031018602240200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130443517) 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, 49270 + ... + 51849.
It is an arithmetic number, because the mean of its divisors is an integer number (10010880).
Almost surely, 2130443510 is an apocalyptic number.
130443510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130443510 is an abundant number, since it is smaller than the sum of its proper divisors (189904650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130443510 is a wasteful number, since it uses less digits than its factorization.
130443510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101172.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 130443510 is about 11421.1868910372. The cubic root of 130443510 is about 507.1551330570.
Adding to 130443510 its reverse (15344031), we get a palindrome (145787541).
The spelling of 130443510 in words is "one hundred thirty million, four hundred forty-three thousand, five hundred ten".
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