Base | Representation |
---|---|
bin | 111100011010000… |
… | …101100000110101 |
3 | 2121122000200020112 |
4 | 330122011200311 |
5 | 4033422040120 |
6 | 244322112405 |
7 | 34054235531 |
oct | 7432054065 |
9 | 2548020215 |
10 | 1013471285 |
11 | 480094a82 |
12 | 2434ab705 |
13 | 131c75a68 |
14 | 98856bc1 |
15 | 5de92bc5 |
hex | 3c685835 |
1013471285 has 4 divisors (see below), whose sum is σ = 1216165548. Its totient is φ = 810777024.
The previous prime is 1013471273. The next prime is 1013471299. The reversal of 1013471285 is 5821743101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5821743101 = 937 ⋅6213173.
It can be written as a sum of positive squares in 2 ways, for example, as 605996689 + 407474596 = 24617^2 + 20186^2 .
It is a cyclic number.
It is not a de Polignac number, because 1013471285 - 226 = 946362421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101347124 + ... + 101347133.
It is an arithmetic number, because the mean of its divisors is an integer number (304041387).
Almost surely, 21013471285 is an apocalyptic number.
It is an amenable number.
1013471285 is a deficient number, since it is larger than the sum of its proper divisors (202694263).
1013471285 is an equidigital number, since it uses as much as digits as its factorization.
1013471285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202694262.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 1013471285 is about 31835.0637662311. The cubic root of 1013471285 is about 1004.4704139526.
The spelling of 1013471285 in words is "one billion, thirteen million, four hundred seventy-one thousand, two hundred eighty-five".
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