Base | Representation |
---|---|
bin | 1111100100001… |
… | …10110111100101 |
3 | 100002200221101102 |
4 | 13302012313211 |
5 | 231411411340 |
6 | 20542405445 |
7 | 3143606411 |
oct | 762066745 |
9 | 302627342 |
10 | 130575845 |
11 | 67785624 |
12 | 37890885 |
13 | 2108a91a |
14 | 134add41 |
15 | b6e4215 |
hex | 7c86de5 |
130575845 has 12 divisors (see below), whose sum is σ = 158238444. Its totient is φ = 103439040.
The previous prime is 130575829. The next prime is 130575869. The reversal of 130575845 is 548575031.
It can be written as a sum of positive squares in 2 ways, for example, as 62694724 + 67881121 = 7918^2 + 8239^2 .
It is not a de Polignac number, because 130575845 - 24 = 130575829 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130575799 and 130575808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56105 + ... + 58385.
It is an arithmetic number, because the mean of its divisors is an integer number (13186537).
Almost surely, 2130575845 is an apocalyptic number.
It is an amenable number.
130575845 is a deficient number, since it is larger than the sum of its proper divisors (27662599).
130575845 is an equidigital number, since it uses as much as digits as its factorization.
130575845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500 (or 2393 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 38.
The square root of 130575845 is about 11426.9788220684. The cubic root of 130575845 is about 507.3265781304.
The spelling of 130575845 in words is "one hundred thirty million, five hundred seventy-five thousand, eight hundred forty-five".
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