Base | Representation |
---|---|
bin | 11000010100010000… |
… | …00110111010000101 |
3 | 1020200210220112020100 |
4 | 30022020012322011 |
5 | 203214012040433 |
6 | 5555225354313 |
7 | 641336651631 |
oct | 141210067205 |
9 | 36623815210 |
10 | 13054799493 |
11 | 559a10409a |
12 | 2644038999 |
13 | 130084a838 |
14 | 8bbb51dc1 |
15 | 516178b13 |
hex | 30a206e85 |
13054799493 has 6 divisors (see below), whose sum is σ = 18856932614. Its totient is φ = 8703199656.
The previous prime is 13054799491. The next prime is 13054799543. The reversal of 13054799493 is 39499745031.
It is a happy number.
13054799493 is a `hidden beast` number, since 1 + 3 + 0 + 547 + 9 + 9 + 4 + 93 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12255154209 + 799645284 = 110703^2 + 28278^2 .
It is not a de Polignac number, because 13054799493 - 21 = 13054799491 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13054799491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725266630 + ... + 725266647.
Almost surely, 213054799493 is an apocalyptic number.
It is an amenable number.
13054799493 is a deficient number, since it is larger than the sum of its proper divisors (5802133121).
13054799493 is a wasteful number, since it uses less digits than its factorization.
13054799493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1450533283 (or 1450533280 counting only the distinct ones).
The product of its (nonzero) digits is 3674160, while the sum is 54.
The spelling of 13054799493 in words is "thirteen billion, fifty-four million, seven hundred ninety-nine thousand, four hundred ninety-three".
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