Base | Representation |
---|---|
bin | 1111100011110… |
… | …10000110000011 |
3 | 100002121021121120 |
4 | 13301322012003 |
5 | 231403223043 |
6 | 20541323323 |
7 | 3143301024 |
oct | 761720603 |
9 | 302537546 |
10 | 130523523 |
11 | 6774a289 |
12 | 37866543 |
13 | 2106cb70 |
14 | 13498c4b |
15 | b6d3983 |
hex | 7c7a183 |
130523523 has 8 divisors (see below), whose sum is σ = 187418448. Its totient is φ = 80322144.
The previous prime is 130523513. The next prime is 130523539. The reversal of 130523523 is 325325031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130523523 - 24 = 130523507 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130523493 and 130523502.
It is not an unprimeable number, because it can be changed into a prime (130523513) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673340 + ... + 1673417.
It is an arithmetic number, because the mean of its divisors is an integer number (23427306).
Almost surely, 2130523523 is an apocalyptic number.
130523523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
130523523 is a deficient number, since it is larger than the sum of its proper divisors (56894925).
130523523 is a wasteful number, since it uses less digits than its factorization.
130523523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3346773.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 130523523 is about 11424.6891861442. The cubic root of 130523523 is about 507.2588068223.
Adding to 130523523 its reverse (325325031), we get a palindrome (455848554).
The spelling of 130523523 in words is "one hundred thirty million, five hundred twenty-three thousand, five hundred twenty-three".
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