Base | Representation |
---|---|
bin | 11000011100100000… |
… | …10011100111001000 |
3 | 1020212122020012102100 |
4 | 30032100103213020 |
5 | 203334224320134 |
6 | 10010142033400 |
7 | 643140435303 |
oct | 141620234710 |
9 | 36778205370 |
10 | 13124057544 |
11 | 5625208754 |
12 | 2663278860 |
13 | 1311cb9730 |
14 | 8c701db3a |
15 | 51c2a9999 |
hex | 30e4139c8 |
13124057544 has 48 divisors (see below), whose sum is σ = 38278503900. Its totient is φ = 4038171264.
The previous prime is 13124057519. The next prime is 13124057591. The reversal of 13124057544 is 44575042131.
13124057544 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 40 + 575 + 44 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12218649444 + 905408100 = 110538^2 + 30090^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 13124057499 and 13124057508.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7009779 + ... + 7011650.
Almost surely, 213124057544 is an apocalyptic number.
It is an amenable number.
13124057544 is an abundant number, since it is smaller than the sum of its proper divisors (25154446356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124057544 is a wasteful number, since it uses less digits than its factorization.
13124057544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14021454 (or 14021447 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
Adding to 13124057544 its reverse (44575042131), we get a palindrome (57699099675).
The spelling of 13124057544 in words is "thirteen billion, one hundred twenty-four million, fifty-seven thousand, five hundred forty-four".
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