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85328230312 = 23131237663269
BaseRepresentation
bin100111101110111110…
…1010111011110101000
322011020200010012220101
41033131331113132220
52344223011332222
6103111012035144
76110340663523
oct1173575273650
9264220105811
1085328230312
113320761a406
1214654302ab4
13807ac96b10
1441b667bbba
15234615d927
hex13ddf577a8

85328230312 has 32 divisors (see below), whose sum is σ = 172436934600. Its totient is φ = 39350363904.

The previous prime is 85328230303. The next prime is 85328230321. The reversal of 85328230312 is 21303282358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85328230303) and next prime (85328230321).

It can be written as a sum of positive squares in 4 ways, for example, as 52750146276 + 32578084036 = 229674^2 + 180494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202987 + ... + 460282.

Almost surely, 285328230312 is an apocalyptic number.

It is an amenable number.

85328230312 is an abundant number, since it is smaller than the sum of its proper divisors (87108704288).

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

85328230312 is a wasteful number, since it uses less digits than its factorization.

85328230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664525 (or 664521 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 85328230312 in words is "eighty-five billion, three hundred twenty-eight million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 1237 2474 4948 9896 16081 32162 64324 128648 663269 1326538 2653076 5306152 8622497 17244994 34489988 68979976 820463753 1640927506 3281855012 6563710024 10666028789 21332057578 42664115156 85328230312