Search a number
-
+
38063450865 = 3511593909959
BaseRepresentation
bin100011011100110000…
…100010101011110001
310122020201002122111110
4203130300202223301
51110423220411430
625252555503533
72515150664646
oct433460425361
9118221078443
1038063450865
111516290a010
127463457ba9
133787ac2abb
141bb130bdcd
15ecb9a97b0
hex8dcc22af1

38063450865 has 32 divisors (see below), whose sum is σ = 67564108800. Its totient is φ = 18142205120.

The previous prime is 38063450863. The next prime is 38063450897. The reversal of 38063450865 is 56805436083.

It is not a de Polignac number, because 38063450865 - 21 = 38063450863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38063450863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1945245 + ... + 1964714.

It is an arithmetic number, because the mean of its divisors is an integer number (2111378400).

Almost surely, 238063450865 is an apocalyptic number.

It is an amenable number.

38063450865 is a deficient number, since it is larger than the sum of its proper divisors (29500657935).

38063450865 is a wasteful number, since it uses less digits than its factorization.

38063450865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910037.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 38063450865 in words is "thirty-eight billion, sixty-three million, four hundred fifty thousand, eight hundred sixty-five".

Divisors: 1 3 5 11 15 33 55 59 165 177 295 649 885 1947 3245 9735 3909959 11729877 19549795 43009549 58649385 129028647 215047745 230687581 645143235 692062743 1153437905 2537563391 3460313715 7612690173 12687816955 38063450865