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85384234236 = 22371016478979
BaseRepresentation
bin100111110000101001…
…1000000010011111100
322011101120111111211210
41033201103000103330
52344331330443421
6103120332244420
76111621005340
oct1174123002374
9264346444753
1085384234236
11332361a0a44
121466b010710
138089774c32
1441bdc99620
15234b022576
hex13e14c04fc

85384234236 has 24 divisors (see below), whose sum is σ = 227691291520. Its totient is φ = 24395495472.

The previous prime is 85384234223. The next prime is 85384234237. The reversal of 85384234236 is 63243248358.

It is a super-2 number, since 2×853842342362 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85384234237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 508239406 + ... + 508239573.

Almost surely, 285384234236 is an apocalyptic number.

It is an amenable number.

85384234236 is an abundant number, since it is smaller than the sum of its proper divisors (142307057284).

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

85384234236 is a wasteful number, since it uses less digits than its factorization.

85384234236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016478993 (or 1016478991 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 48.

The spelling of 85384234236 in words is "eighty-five billion, three hundred eighty-four million, two hundred thirty-four thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1016478979 2032957958 3049436937 4065915916 6098873874 7115352853 12197747748 14230705706 21346058559 28461411412 42692117118 85384234236