Base | Representation |
---|---|
bin | 100111000010111… |
… | …0001010000001001 |
3 | 10101022020202202211 |
4 | 1032011301100021 |
5 | 10140343312210 |
6 | 334000425121 |
7 | 44315652313 |
oct | 11605612011 |
9 | 3338222684 |
10 | 1310135305 |
11 | 6125a0056 |
12 | 3069181a1 |
13 | 17b5762bb |
14 | c5ddc7b3 |
15 | 7a04338a |
hex | 4e171409 |
1310135305 has 8 divisors (see below), whose sum is σ = 1572405192. Its totient is φ = 1047946368.
The previous prime is 1310135263. The next prime is 1310135339. The reversal of 1310135305 is 5035310131.
It can be written as a sum of positive squares in 4 ways, for example, as 168506361 + 1141628944 = 12981^2 + 33788^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1310135305 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24277 + ... + 56653.
It is an arithmetic number, because the mean of its divisors is an integer number (196550649).
Almost surely, 21310135305 is an apocalyptic number.
It is an amenable number.
1310135305 is a deficient number, since it is larger than the sum of its proper divisors (262269887).
1310135305 is an equidigital number, since it uses as much as digits as its factorization.
1310135305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40475.
The product of its (nonzero) digits is 675, while the sum is 22.
The square root of 1310135305 is about 36195.7912608635. The cubic root of 1310135305 is about 1094.2218514637.
Adding to 1310135305 its reverse (5035310131), we get a palindrome (6345445436).
The spelling of 1310135305 in words is "one billion, three hundred ten million, one hundred thirty-five thousand, three hundred five".
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