Base | Representation |
---|---|
bin | 1111100011101… |
… | …01101011101111 |
3 | 100002120100211101 |
4 | 13301311223233 |
5 | 231402133310 |
6 | 20541103531 |
7 | 3143164243 |
oct | 761655357 |
9 | 302510741 |
10 | 130505455 |
11 | 67737753 |
12 | 37857ba7 |
13 | 21064882 |
14 | 13492423 |
15 | b6cd43a |
hex | 7c75aef |
130505455 has 8 divisors (see below), whose sum is σ = 158812704. Its totient is φ = 102933600.
The previous prime is 130505411. The next prime is 130505467. The reversal of 130505455 is 554505031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-130505455 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183456 + ... + 184165.
It is an arithmetic number, because the mean of its divisors is an integer number (19851588).
Almost surely, 2130505455 is an apocalyptic number.
130505455 is a deficient number, since it is larger than the sum of its proper divisors (28307249).
130505455 is an equidigital number, since it uses as much as digits as its factorization.
130505455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367697.
The product of its (nonzero) digits is 7500, while the sum is 28.
The square root of 130505455 is about 11423.8984151646. The cubic root of 130505455 is about 507.2353996110.
The spelling of 130505455 in words is "one hundred thirty million, five hundred five thousand, four hundred fifty-five".
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