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6680040344677 = 72839162487907
BaseRepresentation
bin110000100110101000101…
…1011101000110001100101
3212122121100111102101212201
41201031101123220301211
51333421210312012202
622112433531414501
71256421425032600
oct141152133506145
925577314371781
106680040344677
112145a97698637
128ba777bb4431
13395c045a97ab
1419145c311337
15b8b6aae3387
hex613516e8c65

6680040344677 has 12 divisors (see below), whose sum is σ = 7779921035040. Its totient is φ = 5718924339576.

The previous prime is 6680040344623. The next prime is 6680040344701. The reversal of 6680040344677 is 7764430400866.

It is a de Polignac number, because none of the positive numbers 2k-6680040344677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680040344377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81202843 + ... + 81285064.

It is an arithmetic number, because the mean of its divisors is an integer number (648326752920).

Almost surely, 26680040344677 is an apocalyptic number.

It is an amenable number.

6680040344677 is a deficient number, since it is larger than the sum of its proper divisors (1099880690363).

6680040344677 is a wasteful number, since it uses less digits than its factorization.

6680040344677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162488760 (or 162488753 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 55.

The spelling of 6680040344677 in words is "six trillion, six hundred eighty billion, forty million, three hundred forty-four thousand, six hundred seventy-seven".

Divisors: 1 7 49 839 5873 41111 162487907 1137415349 7961907443 136327353973 954291477811 6680040344677