Base | Representation |
---|---|
bin | 10011100101010101… |
… | …10001000110110101 |
3 | 1000010201110202110002 |
4 | 21302222301012311 |
5 | 133013004422110 |
6 | 4455134041045 |
7 | 521353246466 |
oct | 116252610665 |
9 | 30121422402 |
10 | 10513748405 |
11 | 4505811876 |
12 | 2055049185 |
13 | cb7277304 |
14 | 71a496d6d |
15 | 41803eaa5 |
hex | 272ab11b5 |
10513748405 has 4 divisors (see below), whose sum is σ = 12616498092. Its totient is φ = 8410998720.
The previous prime is 10513748387. The next prime is 10513748429. The reversal of 10513748405 is 50484731501.
10513748405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50484731501 = 164233 ⋅307397.
It can be written as a sum of positive squares in 2 ways, for example, as 2267473924 + 8246274481 = 47618^2 + 90809^2 .
It is not a de Polignac number, because 10513748405 - 228 = 10245312949 is a prime.
It is a super-2 number, since 2×105137484052 (a number of 21 digits) contains 22 as substring.
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 (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051374836 + ... + 1051374845.
It is an arithmetic number, because the mean of its divisors is an integer number (3154124523).
Almost surely, 210513748405 is an apocalyptic number.
It is an amenable number.
10513748405 is a deficient number, since it is larger than the sum of its proper divisors (2102749687).
10513748405 is an equidigital number, since it uses as much as digits as its factorization.
10513748405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2102749686.
The product of its (nonzero) digits is 67200, while the sum is 38.
The spelling of 10513748405 in words is "ten billion, five hundred thirteen million, seven hundred forty-eight thousand, four hundred five".
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