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12803680248665 = 54754483745739
BaseRepresentation
bin1011101001010001011011…
…0100000010001101011001
31200100000112111020211212012
42322110112310002031121
53134233414120424130
643121532434555305
72461015063266335
oct272242664021531
950300474224765
1012803680248665
114097012788919
121529532738b35
1371b4c6c65997
143239b6a227c5
151730be376995
hexba516d02359

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".

Divisors: 1 5 47 235 54483745739 272418728695 2560736049733 12803680248665