Base | Representation |
---|---|
bin | 1111100011001… |
… | …01100110010011 |
3 | 100002110000110020 |
4 | 13301211212103 |
5 | 231343031241 |
6 | 20535434523 |
7 | 3142501203 |
oct | 761454623 |
9 | 302400406 |
10 | 130439571 |
11 | 676a21a9 |
12 | 37825a43 |
13 | 210408a2 |
14 | 13476403 |
15 | b6b8b66 |
hex | 7c65993 |
130439571 has 4 divisors (see below), whose sum is σ = 173919432. Its totient is φ = 86959712.
The previous prime is 130439513. The next prime is 130439591. The reversal of 130439571 is 175934031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130439571 - 27 = 130439443 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130439591) 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, 21739926 + ... + 21739931.
It is an arithmetic number, because the mean of its divisors is an integer number (43479858).
Almost surely, 2130439571 is an apocalyptic number.
130439571 is a deficient number, since it is larger than the sum of its proper divisors (43479861).
130439571 is an equidigital number, since it uses as much as digits as its factorization.
130439571 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43479860.
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 130439571 is about 11421.0144470620. The cubic root of 130439571 is about 507.1500281545.
The spelling of 130439571 in words is "one hundred thirty million, four hundred thirty-nine thousand, five hundred seventy-one".
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