Base | Representation |
---|---|
bin | 1111100100010… |
… | …10011000111111 |
3 | 100002201200011201 |
4 | 13302022120333 |
5 | 231412342041 |
6 | 20543000331 |
7 | 3143666440 |
oct | 762123077 |
9 | 302650151 |
10 | 130590271 |
11 | 67795449 |
12 | 378990a7 |
13 | 21094366 |
14 | 134b52c7 |
15 | b6e8631 |
hex | 7c8a63f |
130590271 has 4 divisors (see below), whose sum is σ = 149246032. Its totient is φ = 111934512.
The previous prime is 130590263. The next prime is 130590281. The reversal of 130590271 is 172095031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172095031 = 1231 ⋅139801.
It is a cyclic number.
It is not a de Polignac number, because 130590271 - 23 = 130590263 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130590241) 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, 9327870 + ... + 9327883.
It is an arithmetic number, because the mean of its divisors is an integer number (37311508).
Almost surely, 2130590271 is an apocalyptic number.
130590271 is a deficient number, since it is larger than the sum of its proper divisors (18655761).
130590271 is an equidigital number, since it uses as much as digits as its factorization.
130590271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18655760.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 130590271 is about 11427.6100300982. The cubic root of 130590271 is about 507.3452605641.
The spelling of 130590271 in words is "one hundred thirty million, five hundred ninety thousand, two hundred seventy-one".
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