Base | Representation |
---|---|
bin | 1011101001010001011011… |
… | …0100000010001101011001 |
3 | 1200100000112111020211212012 |
4 | 2322110112310002031121 |
5 | 3134233414120424130 |
6 | 43121532434555305 |
7 | 2461015063266335 |
oct | 272242664021531 |
9 | 50300474224765 |
10 | 12803680248665 |
11 | 4097012788919 |
12 | 1529532738b35 |
13 | 71b4c6c65997 |
14 | 3239b6a227c5 |
15 | 1730be376995 |
hex | ba516d02359 |
12803680248665 has 8 divisors (see below), whose sum is σ = 15691318773120. Its totient is φ = 10025009215792.
The previous prime is 12803680248589. The next prime is 12803680248683. The reversal of 12803680248665 is 56684208630821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12803680248665 - 212 = 12803680244569 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27241872635 + ... + 27241873104.
It is an arithmetic number, because the mean of its divisors is an integer number (1961414846640).
Almost surely, 212803680248665 is an apocalyptic number.
It is an amenable number.
12803680248665 is a deficient number, since it is larger than the sum of its proper divisors (2887638524455).
12803680248665 is an equidigital number, since it uses as much as digits as its factorization.
12803680248665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54483745791.
The product of its (nonzero) digits is 26542080, while the sum is 59.
The spelling of 12803680248665 in words is "twelve trillion, eight hundred three billion, six hundred eighty million, two hundred forty-eight thousand, six hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •