Base | Representation |
---|---|
bin | 1011111011111011001010… |
… | …0001100001001100011101 |
3 | 1201110122122111121000200011 |
4 | 2332332302201201030131 |
5 | 3210011144234023240 |
6 | 43525045415403221 |
7 | 2523120635150323 |
oct | 276766241411435 |
9 | 51418574530604 |
10 | 13124120220445 |
11 | 41aa9a97a0483 |
12 | 157b661383511 |
13 | 7427a3667540 |
14 | 3352d4657d13 |
15 | 17b5c620d6ea |
hex | befb286131d |
13124120220445 has 32 divisors (see below), whose sum is σ = 17322038350848. Its totient is φ = 9485026898688.
The previous prime is 13124120220439. The next prime is 13124120220469. The reversal of 13124120220445 is 54402202142131.
It is a cyclic number.
It is not a de Polignac number, because 13124120220445 - 27 = 13124120220317 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 31 ways as a sum of consecutive naturals, for example, 78481912 + ... + 78648958.
It is an arithmetic number, because the mean of its divisors is an integer number (541313698464).
Almost surely, 213124120220445 is an apocalyptic number.
It is an amenable number.
13124120220445 is a deficient number, since it is larger than the sum of its proper divisors (4197918130403).
13124120220445 is a wasteful number, since it uses less digits than its factorization.
13124120220445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192829.
The product of its (nonzero) digits is 15360, while the sum is 31.
Adding to 13124120220445 its reverse (54402202142131), we get a palindrome (67526322362576).
The spelling of 13124120220445 in words is "thirteen trillion, one hundred twenty-four billion, one hundred twenty million, two hundred twenty thousand, four hundred forty-five".
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