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6688017341 = 43155535287
BaseRepresentation
bin1100011101010001…
…10000101110111101
3122021002200111000222
412032220300232331
5102144113023331
63023351231125
7324510131555
oct61650605675
918232614028
106688017341
112922236465
1213679784a5
138277a1015
14476348165
1529223eb7b
hex18ea30bbd

6688017341 has 4 divisors (see below), whose sum is σ = 6843552672. Its totient is φ = 6532482012.

The previous prime is 6688017319. The next prime is 6688017361. The reversal of 6688017341 is 1437108866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6688017341 - 226 = 6620908477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6688017292 and 6688017301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688017361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77767601 + ... + 77767686.

It is an arithmetic number, because the mean of its divisors is an integer number (1710888168).

Almost surely, 26688017341 is an apocalyptic number.

It is an amenable number.

6688017341 is a deficient number, since it is larger than the sum of its proper divisors (155535331).

6688017341 is a wasteful number, since it uses less digits than its factorization.

6688017341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155535330.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6688017341 is about 81780.2992229791. The cubic root of 6688017341 is about 1884.0790920865.

The spelling of 6688017341 in words is "six billion, six hundred eighty-eight million, seventeen thousand, three hundred forty-one".

Divisors: 1 43 155535287 6688017341