Base | Representation |
---|---|
bin | 11000100101101101… |
… | …10100111110100100 |
3 | 1021002000111201112000 |
4 | 30102312310332210 |
5 | 204014010431143 |
6 | 10021540525300 |
7 | 645065616513 |
oct | 142266647644 |
9 | 37060451460 |
10 | 13201264548 |
11 | 566485149a |
12 | 26850b0830 |
13 | 1324cac754 |
14 | 8d339a67a |
15 | 523e5abd3 |
hex | 312db4fa4 |
13201264548 has 24 divisors (see below), whose sum is σ = 34225500960. Its totient is φ = 4400421480.
The previous prime is 13201264547. The next prime is 13201264603. The reversal of 13201264548 is 84546210231.
It is a happy number.
13201264548 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 1 + 2 + 645 + 4 + 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 (13201264547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61116858 + ... + 61117073.
It is an arithmetic number, because the mean of its divisors is an integer number (1426062540).
Almost surely, 213201264548 is an apocalyptic number.
13201264548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13201264548 is an abundant number, since it is smaller than the sum of its proper divisors (21024236412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13201264548 is a wasteful number, since it uses less digits than its factorization.
13201264548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122233944 (or 122233936 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
Adding to 13201264548 its reverse (84546210231), we get a palindrome (97747474779).
The spelling of 13201264548 in words is "thirteen billion, two hundred one million, two hundred sixty-four thousand, five hundred forty-eight".
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