Base | Representation |
---|---|
bin | 10111011000011101… |
… | …01000000000010001 |
3 | 1012101212001012100100 |
4 | 23230032220000101 |
5 | 201202104111231 |
6 | 5433350243013 |
7 | 623036236530 |
oct | 135416500021 |
9 | 35355035310 |
10 | 12553191441 |
11 | 5361a4958a |
12 | 2524056469 |
13 | 125095183b |
14 | 87129c317 |
15 | 4d70e41e6 |
hex | 2ec3a8011 |
12553191441 has 48 divisors (see below), whose sum is σ = 21296515968. Its totient is φ = 6975763200.
The previous prime is 12553191407. The next prime is 12553191449. The reversal of 12553191441 is 14419135521.
12553191441 is a `hidden beast` number, since 1 + 25 + 5 + 3 + 191 + 441 = 666.
It is not a de Polignac number, because 12553191441 - 213 = 12553183249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12553191396 and 12553191405.
It is not an unprimeable number, because it can be changed into a prime (12553191449) 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 47 ways as a sum of consecutive naturals, for example, 811146 + ... + 826476.
It is an arithmetic number, because the mean of its divisors is an integer number (443677416).
Almost surely, 212553191441 is an apocalyptic number.
It is an amenable number.
12553191441 is a deficient number, since it is larger than the sum of its proper divisors (8743324527).
12553191441 is a wasteful number, since it uses less digits than its factorization.
12553191441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15702 (or 15699 counting only the distinct ones).
The product of its digits is 21600, while the sum is 36.
The spelling of 12553191441 in words is "twelve billion, five hundred fifty-three million, one hundred ninety-one thousand, four hundred forty-one".
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