Base | Representation |
---|---|
bin | 10111101010000110… |
… | …11110001110110001 |
3 | 1012210011200000000121 |
4 | 23311003132032301 |
5 | 202003010402034 |
6 | 5500200050241 |
7 | 626514644416 |
oct | 136503361661 |
9 | 35704600017 |
10 | 12701262769 |
11 | 5428593788 |
12 | 2565763981 |
13 | 1275526900 |
14 | 886c0410d |
15 | 4e50e21b4 |
hex | 2f50de3b1 |
12701262769 has 12 divisors (see below), whose sum is σ = 13763650332. Its totient is φ = 11715537600.
The previous prime is 12701262737. The next prime is 12701262787. The reversal of 12701262769 is 96726210721.
It can be written as a sum of positive squares in 6 ways, for example, as 446772769 + 12254490000 = 21137^2 + 110700^2 .
It is not a de Polignac number, because 12701262769 - 25 = 12701262737 is a prime.
It is a super-2 number, since 2×127012627692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12701262799) 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 11 ways as a sum of consecutive naturals, for example, 206179 + ... + 260599.
It is an arithmetic number, because the mean of its divisors is an integer number (1146970861).
Almost surely, 212701262769 is an apocalyptic number.
It is an amenable number.
12701262769 is a deficient number, since it is larger than the sum of its proper divisors (1062387563).
12701262769 is a wasteful number, since it uses less digits than its factorization.
12701262769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55828 (or 55815 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 43.
The spelling of 12701262769 in words is "twelve billion, seven hundred one million, two hundred sixty-two thousand, seven hundred sixty-nine".
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