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85388470026 = 23172471047737
BaseRepresentation
bin100111110000110001…
…1001010011100001010
322011101212110201020220
41033201203022130022
52344333422020101
6103121003130510
76112002006516
oct1174143123412
9264355421226
1085388470026
11332386243a2
1214670513a36
13808a5c8c12
1441c067d146
15234b5ac636
hex13e18ca70a

85388470026 has 48 divisors (see below), whose sum is σ = 185273606016. Its totient is φ = 26218545664.

The previous prime is 85388469967. The next prime is 85388470049. The reversal of 85388470026 is 62007488358.

It is a happy number.

It is a super-2 number, since 2×853884700262 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442371 + ... + 605366.

It is an arithmetic number, because the mean of its divisors is an integer number (3859866792).

Almost surely, 285388470026 is an apocalyptic number.

85388470026 is an abundant number, since it is smaller than the sum of its proper divisors (99885135990).

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

85388470026 is a wasteful number, since it uses less digits than its factorization.

85388470026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047823 (or 1047806 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 85388470026 in words is "eighty-five billion, three hundred eighty-eight million, four hundred seventy thousand, twenty-six".

Divisors: 1 2 3 6 17 34 47 51 94 102 141 282 289 578 799 867 1598 1734 2397 4794 13583 27166 40749 81498 1047737 2095474 3143211 6286422 17811529 35623058 49243639 53434587 98487278 106869174 147730917 295461834 302795993 605591986 837141863 908387979 1674283726 1816775958 2511425589 5022851178 14231411671 28462823342 42694235013 85388470026