Base | Representation |
---|---|
bin | 10111100111101111… |
… | …11101010010011101 |
3 | 1012201210102021101100 |
4 | 23303313331102131 |
5 | 201432423421122 |
6 | 5454211503313 |
7 | 626154456051 |
oct | 136367752235 |
9 | 35653367340 |
10 | 12681467037 |
11 | 54183a2978 |
12 | 255abb7b39 |
13 | 12713b5465 |
14 | 88432dc61 |
15 | 4e34d1aac |
hex | 2f3dfd49d |
12681467037 has 6 divisors (see below), whose sum is σ = 18317674622. Its totient is φ = 8454311352.
The previous prime is 12681467003. The next prime is 12681467053. The reversal of 12681467037 is 73076418621.
It can be written as a sum of positive squares in only one way, i.e., 6511521636 + 6169945401 = 80694^2 + 78549^2 .
It is not a de Polignac number, because 12681467037 - 231 = 10533983389 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12681466983 and 12681467001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12681460037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 704525938 + ... + 704525955.
Almost surely, 212681467037 is an apocalyptic number.
It is an amenable number.
12681467037 is a deficient number, since it is larger than the sum of its proper divisors (5636207585).
12681467037 is a wasteful number, since it uses less digits than its factorization.
12681467037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1409051899 (or 1409051896 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The spelling of 12681467037 in words is "twelve billion, six hundred eighty-one million, four hundred sixty-seven thousand, thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •