Search a number
-
+
10384317217 = 75731371229
BaseRepresentation
bin10011010101111010…
…00001101100100001
3222210200220222020101
421222331001230201
5132231341122332
64434231542401
7515222145211
oct115275015441
928720828211
1010384317217
11444974924a
12201982aa01
13c964ca701
14707204241
1540b9c4ae7
hex26af41b21

10384317217 has 4 divisors (see below), whose sum is σ = 10385696020. Its totient is φ = 10382938416.

The previous prime is 10384317211. The next prime is 10384317221. The reversal of 10384317217 is 71271348301.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9182238976 + 1202078241 = 95824^2 + 34671^2 .

It is a cyclic number.

It is not a de Polignac number, because 10384317217 - 211 = 10384315169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10384317211) 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, 678042 + ... + 693187.

It is an arithmetic number, because the mean of its divisors is an integer number (2596424005).

Almost surely, 210384317217 is an apocalyptic number.

It is an amenable number.

10384317217 is a deficient number, since it is larger than the sum of its proper divisors (1378803).

10384317217 is an equidigital number, since it uses as much as digits as its factorization.

10384317217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378802.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 10384317217 in words is "ten billion, three hundred eighty-four million, three hundred seventeen thousand, two hundred seventeen".

Divisors: 1 7573 1371229 10384317217