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6809031835 = 51361806367
BaseRepresentation
bin1100101011101100…
…11001010010011011
3122120112101122201021
412111312121102123
5102421103004320
63043353103311
7330506546524
oct62566312233
918515348637
106809031835
112984580441
1213a03b7b37
13846891928
1448844984b
1529cb95daa
hex195d9949b

6809031835 has 4 divisors (see below), whose sum is σ = 8170838208. Its totient is φ = 5447225464.

The previous prime is 6809031809. The next prime is 6809031851. The reversal of 6809031835 is 5381309086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6809031835 - 27 = 6809031707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6809031791 and 6809031800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680903179 + ... + 680903188.

It is an arithmetic number, because the mean of its divisors is an integer number (2042709552).

Almost surely, 26809031835 is an apocalyptic number.

6809031835 is a deficient number, since it is larger than the sum of its proper divisors (1361806373).

6809031835 is a wasteful number, since it uses less digits than its factorization.

6809031835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361806372.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6809031835 is about 82516.8578837076. The cubic root of 6809031835 is about 1895.3748846997.

The spelling of 6809031835 in words is "six billion, eight hundred nine million, thirty-one thousand, eight hundred thirty-five".

Divisors: 1 5 1361806367 6809031835