Base | Representation |
---|---|
bin | 1111100011000… |
… | …01001100010100 |
3 | 100002102002200211 |
4 | 13301201030110 |
5 | 231341442044 |
6 | 20535215204 |
7 | 3142364452 |
oct | 761411424 |
9 | 302362624 |
10 | 130421524 |
11 | 6768a692 |
12 | 37817504 |
13 | 210355cc |
14 | 1346d9d2 |
15 | b6b3634 |
hex | 7c61314 |
130421524 has 12 divisors (see below), whose sum is σ = 228862144. Its totient is φ = 65032344.
The previous prime is 130421503. The next prime is 130421527. The reversal of 130421524 is 425124031.
It is a junction number, because it is equal to n+sod(n) for n = 130421495 and 130421504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130421527) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42954 + ... + 45889.
Almost surely, 2130421524 is an apocalyptic number.
It is an amenable number.
130421524 is a deficient number, since it is larger than the sum of its proper divisors (98440620).
130421524 is a wasteful number, since it uses less digits than its factorization.
130421524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89214 (or 89212 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 130421524 is about 11420.2243410539. The cubic root of 130421524 is about 507.1266381188.
Adding to 130421524 its reverse (425124031), we get a palindrome (555545555).
The spelling of 130421524 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred twenty-four".
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