Base | Representation |
---|---|
bin | 10010101101011000010… |
… | …011010011010011100001 |
3 | 11112220120000111012221120 |
4 | 102231120103103103201 |
5 | 132031031212120241 |
6 | 2422344241042453 |
7 | 161613160302252 |
oct | 22553023232341 |
9 | 4486500435846 |
10 | 1285676676321 |
11 | 456285a6a104 |
12 | 18920a626429 |
13 | 9431481259b |
14 | 4632718ab29 |
15 | 2369b727666 |
hex | 12b584d34e1 |
1285676676321 has 32 divisors (see below), whose sum is σ = 1794160412928. Its totient is φ = 817382142720.
The previous prime is 1285676676307. The next prime is 1285676676337. The reversal of 1285676676321 is 1236766765821.
It is not a de Polignac number, because 1285676676321 - 25 = 1285676676289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1285676676391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61267651 + ... + 61288631.
It is an arithmetic number, because the mean of its divisors is an integer number (56067512904).
Almost surely, 21285676676321 is an apocalyptic number.
It is an amenable number.
1285676676321 is a deficient number, since it is larger than the sum of its proper divisors (508483736607).
1285676676321 is a wasteful number, since it uses less digits than its factorization.
1285676676321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23641.
The product of its digits is 30481920, while the sum is 60.
The spelling of 1285676676321 in words is "one trillion, two hundred eighty-five billion, six hundred seventy-six million, six hundred seventy-six thousand, three hundred twenty-one".
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