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85843624481 = 1922919729631
BaseRepresentation
bin100111111110010101…
…1011100001000100001
322012120120220221210022
41033330223130020201
52401301431440411
6103234102443225
76126166524446
oct1177453341041
9265516827708
1085843624481
11334515406aa
1214778a33515
1381309aba94
144224cbd9cd
152376517edb
hex13fcadc221

85843624481 has 8 divisors (see below), whose sum is σ = 90756307200. Its totient is φ = 80970401520.

The previous prime is 85843624423. The next prime is 85843624501. The reversal of 85843624481 is 18442634858.

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

It is not a de Polignac number, because 85843624481 - 234 = 68663755297 is a prime.

It is a super-3 number, since 3×858436244813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85843624411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9860465 + ... + 9869166.

It is an arithmetic number, because the mean of its divisors is an integer number (11344538400).

Almost surely, 285843624481 is an apocalyptic number.

It is an amenable number.

85843624481 is a deficient number, since it is larger than the sum of its proper divisors (4912682719).

85843624481 is a wasteful number, since it uses less digits than its factorization.

85843624481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729879.

The product of its digits is 5898240, while the sum is 53.

The spelling of 85843624481 in words is "eighty-five billion, eight hundred forty-three million, six hundred twenty-four thousand, four hundred eighty-one".

Divisors: 1 19 229 4351 19729631 374862989 4518085499 85843624481