Search a number
-
+
856230011 = 7139409121
BaseRepresentation
bin110011000010010…
…000100001111011
32012200010222202122
4303002100201323
53223143330021
6220543551455
730134556260
oct6302204173
92180128678
10856230011
113aa35730a
121ba8bb58b
1310850cba0
1481a05267
1550282bab
hex3309087b

856230011 has 8 divisors (see below), whose sum is σ = 1053821664. Its totient is φ = 677456640.

The previous prime is 856229923. The next prime is 856230043. The reversal of 856230011 is 110032658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-856230011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (856230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4704470 + ... + 4704651.

It is an arithmetic number, because the mean of its divisors is an integer number (131727708).

Almost surely, 2856230011 is an apocalyptic number.

856230011 is a deficient number, since it is larger than the sum of its proper divisors (197591653).

856230011 is a wasteful number, since it uses less digits than its factorization.

856230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409141.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 856230011 is about 29261.4082197013. The cubic root of 856230011 is about 949.5769163163.

Adding to 856230011 its reverse (110032658), we get a palindrome (966262669).

The spelling of 856230011 in words is "eight hundred fifty-six million, two hundred thirty thousand, eleven".

Divisors: 1 7 13 91 9409121 65863847 122318573 856230011