Base | Representation |
---|---|
bin | 11001000111000010… |
… | …01100100110011111 |
3 | 1021210111111221102022 |
4 | 30203201030212133 |
5 | 210102041304230 |
6 | 10105404250355 |
7 | 655031652530 |
oct | 144341144637 |
9 | 37714457368 |
10 | 13480806815 |
11 | 5798622763 |
12 | 27428409bb |
13 | 136ab96988 |
14 | 91c566687 |
15 | 53d7781e5 |
hex | 32384c99f |
13480806815 has 16 divisors (see below), whose sum is σ = 18489902592. Its totient is φ = 9243012384.
The previous prime is 13480806811. The next prime is 13480806841. The reversal of 13480806815 is 51860808431.
It is a happy number.
13480806815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13480806815 - 22 = 13480806811 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13480806811) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 527462 + ... + 552428.
It is an arithmetic number, because the mean of its divisors is an integer number (1155618912).
Almost surely, 213480806815 is an apocalyptic number.
13480806815 is a deficient number, since it is larger than the sum of its proper divisors (5009095777).
13480806815 is a wasteful number, since it uses less digits than its factorization.
13480806815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40406.
The product of its (nonzero) digits is 184320, while the sum is 44.
The spelling of 13480806815 in words is "thirteen billion, four hundred eighty million, eight hundred six thousand, eight hundred fifteen".
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