Search a number
-
+
6656204923 = 421103915217
BaseRepresentation
bin1100011001011110…
…11010000001111011
3122011212211020121021
412030233122001323
5102112442024143
63020253323311
7323642544154
oct61457320173
918155736537
106656204923
112906288305
121359196537
138210130c4
1447202692b
1528e558ced
hex18cbda07b

6656204923 has 8 divisors (see below), whose sum is σ = 6678875840. Its totient is φ = 6633567360.

The previous prime is 6656204921. The next prime is 6656204927. The reversal of 6656204923 is 3294026566.

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 6656204923 - 21 = 6656204921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6656204923.

It is not an unprimeable number, because it can be changed into a prime (6656204921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429811 + ... + 445027.

It is an arithmetic number, because the mean of its divisors is an integer number (834859480).

Almost surely, 26656204923 is an apocalyptic number.

6656204923 is a deficient number, since it is larger than the sum of its proper divisors (22670917).

6656204923 is a wasteful number, since it uses less digits than its factorization.

6656204923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16677.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 6656204923 is about 81585.5681049044. The cubic root of 6656204923 is about 1881.0870545682.

The spelling of 6656204923 in words is "six billion, six hundred fifty-six million, two hundred four thousand, nine hundred twenty-three".

Divisors: 1 421 1039 15217 437419 6406357 15810463 6656204923