Base | Representation |
---|---|
bin | 1011011100101101101011… |
… | …0011100110110101110101 |
3 | 1122120101122010221122200101 |
4 | 2313023122303212311311 |
5 | 3122220032313420210 |
6 | 42434451334114101 |
7 | 2436306343152412 |
oct | 267133263466565 |
9 | 48511563848611 |
10 | 12587925138805 |
11 | 4013566635475 |
12 | 14b375a7ab931 |
13 | 7040618341c3 |
14 | 31738a319109 |
15 | 16c692b81a3a |
hex | b72dace6d75 |
12587925138805 has 16 divisors (see below), whose sum is σ = 15361348025088. Its totient is φ = 9899958024000.
The previous prime is 12587925138787. The next prime is 12587925138847. The reversal of 12587925138805 is 50883152978521.
It is not a de Polignac number, because 12587925138805 - 25 = 12587925138773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10458711 + ... + 11600020.
It is an arithmetic number, because the mean of its divisors is an integer number (960084251568).
Almost surely, 212587925138805 is an apocalyptic number.
It is an amenable number.
12587925138805 is a deficient number, since it is larger than the sum of its proper divisors (2773422886283).
12587925138805 is a wasteful number, since it uses less digits than its factorization.
12587925138805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22060668.
The product of its (nonzero) digits is 48384000, while the sum is 64.
The spelling of 12587925138805 in words is "twelve trillion, five hundred eighty-seven billion, nine hundred twenty-five million, one hundred thirty-eight thousand, eight hundred five".
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