Search a number
-
+
6840105039337 = 172535715867773
BaseRepresentation
bin110001110001001011000…
…0001111111010111101001
3220012220111200101101021011
41203202112001333113221
51344032013342224322
622314144553343521
71304116115345143
oct143422601772751
926186450341234
106840105039337
1121a7965a78859
129257a9407ba1
133a803307817b
141990c4665c93
15bcdd80ae677
hex6389607f5e9

6840105039337 has 8 divisors (see below), whose sum is σ = 7242750235656. Its totient is φ = 6437491629312.

The previous prime is 6840105039301. The next prime is 6840105039403. The reversal of 6840105039337 is 7339305010486.

It can be written as a sum of positive squares in 4 ways, for example, as 3626819345241 + 3213285694096 = 1904421^2 + 1792564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6840105039337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6840105039137) 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 7 ways as a sum of consecutive naturals, for example, 7502818 + ... + 8364955.

It is an arithmetic number, because the mean of its divisors is an integer number (905343779457).

Almost surely, 26840105039337 is an apocalyptic number.

It is an amenable number.

6840105039337 is a deficient number, since it is larger than the sum of its proper divisors (402645196319).

6840105039337 is a wasteful number, since it uses less digits than its factorization.

6840105039337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15893147.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 6840105039337 in words is "six trillion, eight hundred forty billion, one hundred five million, thirty-nine thousand, three hundred thirty-seven".

Divisors: 1 17 25357 431069 15867773 269752141 402359119961 6840105039337