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85886795280 = 2435111310692341
BaseRepresentation
bin100111111111101000…
…0000111111000010000
322012200121011020222210
41033333100013320100
52401344004422110
6103242244032120
76130232500026
oct1177720077020
9265617136883
1085886795280
1133473947550
121478b392640
138139915930
14422a91a716
15237a1e4520
hex13ff407e10

85886795280 has 320 divisors, whose sum is σ = 313222452480. Its totient is φ = 19193241600.

The previous prime is 85886795279. The next prime is 85886795347. The reversal of 85886795280 is 8259768858.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 36686910 + ... + 36689250.

It is an arithmetic number, because the mean of its divisors is an integer number (978820164).

Almost surely, 285886795280 is an apocalyptic number.

85886795280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85886795280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156611226240).

85886795280 is an abundant number, since it is smaller than the sum of its proper divisors (227335657200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85886795280 is a wasteful number, since it uses less digits than its factorization.

85886795280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 66.

The spelling of 85886795280 in words is "eighty-five billion, eight hundred eighty-six million, seven hundred ninety-five thousand, two hundred eighty".