Base | Representation |
---|---|
bin | 11000000001010010… |
… | …10000101010100111 |
3 | 1020021201120100112020 |
4 | 30000221100222213 |
5 | 202402300434210 |
6 | 5531343554223 |
7 | 634365536433 |
oct | 140051205247 |
9 | 36251510466 |
10 | 12895718055 |
11 | 5518329930 |
12 | 25ba8bb973 |
13 | 12a68bc1cc |
14 | 8a49819c3 |
15 | 507203770 |
hex | 300a50aa7 |
12895718055 has 64 divisors (see below), whose sum is σ = 23673876480. Its totient is φ = 5936486400.
The previous prime is 12895718053. The next prime is 12895718063. The reversal of 12895718055 is 55081759821.
It is not a de Polignac number, because 12895718055 - 21 = 12895718053 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12895717989 and 12895718007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12895718053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247311 + ... + 294879.
It is an arithmetic number, because the mean of its divisors is an integer number (369904320).
Almost surely, 212895718055 is an apocalyptic number.
12895718055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12895718055 is a deficient number, since it is larger than the sum of its proper divisors (10778158425).
12895718055 is a wasteful number, since it uses less digits than its factorization.
12895718055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47672.
The product of its (nonzero) digits is 1008000, while the sum is 51.
The spelling of 12895718055 in words is "twelve billion, eight hundred ninety-five million, seven hundred eighteen thousand, fifty-five".
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