Base | Representation |
---|---|
bin | 1011011000011001110111… |
… | …1001101011001000000111 |
3 | 1122022022112102122202210022 |
4 | 2312012131321223020013 |
5 | 3120011421023000030 |
6 | 42340445020045355 |
7 | 2431045555252013 |
oct | 266063571531007 |
9 | 48268472582708 |
10 | 12513888875015 |
11 | 3a95124040700 |
12 | 14a133809385b |
13 | 6ca09310c0a8 |
14 | 31396562d543 |
15 | 16a7ad035de5 |
hex | b619de6b207 |
12513888875015 has 48 divisors (see below), whose sum is σ = 17478023844960. Its totient is φ = 8565085900800.
The previous prime is 12513888874957. The next prime is 12513888875041. The reversal of 12513888875015 is 51057888831521.
It is not a de Polignac number, because 12513888875015 - 234 = 12496709005831 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204548351 + ... + 204609519.
It is an arithmetic number, because the mean of its divisors is an integer number (364125496770).
Almost surely, 212513888875015 is an apocalyptic number.
12513888875015 is a deficient number, since it is larger than the sum of its proper divisors (4964134969945).
12513888875015 is a wasteful number, since it uses less digits than its factorization.
12513888875015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81104 (or 81093 counting only the distinct ones).
The product of its (nonzero) digits is 21504000, while the sum is 62.
The spelling of 12513888875015 in words is "twelve trillion, five hundred thirteen billion, eight hundred eighty-eight million, eight hundred seventy-five thousand, fifteen".
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