Base | Representation |
---|---|
bin | 11000101101000110… |
… | …10000010100001100 |
3 | 1021020100010112022000 |
4 | 30112203100110030 |
5 | 204130342230013 |
6 | 10032033152300 |
7 | 646450462335 |
oct | 142643202414 |
9 | 37210115260 |
10 | 13263242508 |
11 | 569683344a |
12 | 26a19bb690 |
13 | 1334a9cab9 |
14 | 8db6d128c |
15 | 5295ee973 |
hex | 3168d050c |
13263242508 has 48 divisors (see below), whose sum is σ = 34476072960. Its totient is φ = 4409523792.
The previous prime is 13263242507. The next prime is 13263242557. The reversal of 13263242508 is 80524236231.
13263242508 is a `hidden beast` number, since 1 + 326 + 324 + 2 + 5 + 0 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13263242501) 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 15 ways as a sum of consecutive naturals, for example, 118960 + ... + 201687.
It is an arithmetic number, because the mean of its divisors is an integer number (718251520).
Almost surely, 213263242508 is an apocalyptic number.
13263242508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13263242508 is an abundant number, since it is smaller than the sum of its proper divisors (21212830452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13263242508 is a wasteful number, since it uses less digits than its factorization.
13263242508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321043 (or 321035 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
Adding to 13263242508 its reverse (80524236231), we get a palindrome (93787478739).
The spelling of 13263242508 in words is "thirteen billion, two hundred sixty-three million, two hundred forty-two thousand, five hundred eight".
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