Base | Representation |
---|---|
bin | 1011101001000101001000… |
… | …1100001111101011010001 |
3 | 1200022201000121001020002002 |
4 | 2322101102030033223101 |
5 | 3134210140124434404 |
6 | 43120225235003345 |
7 | 2460540246250010 |
oct | 272212214175321 |
9 | 50281017036062 |
10 | 12800381483729 |
11 | 409567a707a04 |
12 | 1528971a39555 |
13 | 71b0bc6c6878 |
14 | 323782888a77 |
15 | 172e79969c1e |
hex | ba45230fad1 |
12800381483729 has 16 divisors (see below), whose sum is σ = 15344053790208. Its totient is φ = 10448089238592.
The previous prime is 12800381483707. The next prime is 12800381483749. The reversal of 12800381483729 is 92738418300821.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12800381483729 is a prime.
It is a super-2 number, since 2×128003814837292 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12800381483749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525757214 + ... + 525781559.
It is an arithmetic number, because the mean of its divisors is an integer number (959003361888).
Almost surely, 212800381483729 is an apocalyptic number.
It is an amenable number.
12800381483729 is a deficient number, since it is larger than the sum of its proper divisors (2543672306479).
12800381483729 is a wasteful number, since it uses less digits than its factorization.
12800381483729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1051538864.
The product of its (nonzero) digits is 4644864, while the sum is 56.
The spelling of 12800381483729 in words is "twelve trillion, eight hundred billion, three hundred eighty-one million, four hundred eighty-three thousand, seven hundred twenty-nine".
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