Search a number
-
+
85845077833 = 665912891587
BaseRepresentation
bin100111111110011000…
…0111110111101001001
322012120200122210102011
41033330300332331021
52401302314442313
6103234153535521
76126215056564
oct1177460767511
9265520583364
1085845077833
1133452343619
12147794145a1
13813109a458
14422517b4db
15237670393d
hex13fcc3ef49

85845077833 has 4 divisors (see below), whose sum is σ = 85857976080. Its totient is φ = 85832179588.

The previous prime is 85845077831. The next prime is 85845077861. The reversal of 85845077833 is 33877054858.

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 85845077833 - 21 = 85845077831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85845077831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439135 + ... + 6452452.

It is an arithmetic number, because the mean of its divisors is an integer number (21464494020).

Almost surely, 285845077833 is an apocalyptic number.

It is an amenable number.

85845077833 is a deficient number, since it is larger than the sum of its proper divisors (12898247).

85845077833 is a wasteful number, since it uses less digits than its factorization.

85845077833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12898246.

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 85845077833 in words is "eighty-five billion, eight hundred forty-five million, seventy-seven thousand, eight hundred thirty-three".

Divisors: 1 6659 12891587 85845077833