Base | Representation |
---|---|
bin | 11000001101111000… |
… | …00010000100110000 |
3 | 1020120002020120220120 |
4 | 30012330002010300 |
5 | 203111313133240 |
6 | 5550035010240 |
7 | 640120150326 |
oct | 140674020460 |
9 | 36502216816 |
10 | 13001302320 |
11 | 5571994956 |
12 | 262a139980 |
13 | 12c27396c6 |
14 | 8b49c7d16 |
15 | 51160cad0 |
hex | 306f02130 |
13001302320 has 40 divisors (see below), whose sum is σ = 40304037936. Its totient is φ = 3467013888.
The previous prime is 13001302231. The next prime is 13001302343. The reversal of 13001302320 is 2320310031.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 13001302320.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27085807 + ... + 27086286.
Almost surely, 213001302320 is an apocalyptic number.
13001302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13001302320 is an abundant number, since it is smaller than the sum of its proper divisors (27302735616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13001302320 is a wasteful number, since it uses less digits than its factorization.
13001302320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54172109 (or 54172103 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 13001302320 its reverse (2320310031), we get a palindrome (15321612351).
The spelling of 13001302320 in words is "thirteen billion, one million, three hundred two thousand, three hundred twenty".
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