Base | Representation |
---|---|
bin | 10011000101010110110… |
… | …100010000010011110010 |
3 | 11122101000020001000202110 |
4 | 103011112310100103302 |
5 | 132441242410023041 |
6 | 2442243031230150 |
7 | 163514151241251 |
oct | 23052664202362 |
9 | 4571006030673 |
10 | 1311421564146 |
11 | 466197314401 |
12 | 1921b4518356 |
13 | 96888473715 |
14 | 4768a434798 |
15 | 241a69d7516 |
hex | 13156d104f2 |
1311421564146 has 32 divisors (see below), whose sum is σ = 2695060630080. Its totient is φ = 425115936576.
The previous prime is 1311421564139. The next prime is 1311421564283. The reversal of 1311421564146 is 6414651241131.
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, 1007161 + ... + 1907148.
It is an arithmetic number, because the mean of its divisors is an integer number (84220644690).
Almost surely, 21311421564146 is an apocalyptic number.
1311421564146 is an abundant number, since it is smaller than the sum of its proper divisors (1383639065934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311421564146 is a wasteful number, since it uses less digits than its factorization.
1311421564146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2916378.
The product of its digits is 69120, while the sum is 39.
The spelling of 1311421564146 in words is "one trillion, three hundred eleven billion, four hundred twenty-one million, five hundred sixty-four thousand, one hundred forty-six".
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