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86387671748 = 22712132543507
BaseRepresentation
bin101000001110100011…
…0110100001011000100
322020222111122102100002
41100131012310023010
52403410220443443
6103404055340432
76145524044210
oct1203506641304
9266874572302
1086387671748
1133700652444
12148ab081718
1381b9616941
14427725d940
1523a91822b8
hex141d1b42c4

86387671748 has 24 divisors (see below), whose sum is σ = 172917847872. Its totient is φ = 36992751264.

The previous prime is 86387671729. The next prime is 86387671751. The reversal of 86387671748 is 84717678368.

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, 1237790 + ... + 1305717.

It is an arithmetic number, because the mean of its divisors is an integer number (7204910328).

Almost surely, 286387671748 is an apocalyptic number.

It is an amenable number.

86387671748 is an abundant number, since it is smaller than the sum of its proper divisors (86530176124).

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

86387671748 is a wasteful number, since it uses less digits than its factorization.

86387671748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544731 (or 2544729 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 65.

The spelling of 86387671748 in words is "eighty-six billion, three hundred eighty-seven million, six hundred seventy-one thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 1213 2426 4852 8491 16982 33964 2543507 5087014 10174028 17804549 35609098 71218196 3085273991 6170547982 12341095964 21596917937 43193835874 86387671748