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86616061668 = 22336078631531
BaseRepresentation
bin101000010101010111…
…0000011011011100100
322021120102101211102000
41100222232003123210
52404342202433133
6103442454445300
76154266243063
oct1205256033344
9267512354360
1086616061668
1133808566144
1214953663830
138224a310c6
1442997121da
1523be248413
hex142ab836e4

86616061668 has 96 divisors (see below), whose sum is σ = 225337835520. Its totient is φ = 28772249760.

The previous prime is 86616061639. The next prime is 86616061687.

86616061668 is a `hidden beast` number, since 8 + 6 + 6 + 16 + 0 + 616 + 6 + 8 = 666.

86616061668 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 56574063 + ... + 56575593.

It is an arithmetic number, because the mean of its divisors is an integer number (2347269120).

Almost surely, 286616061668 is an apocalyptic number.

It is an amenable number.

86616061668 is an abundant number, since it is smaller than the sum of its proper divisors (138721773852).

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

86616061668 is a wasteful number, since it uses less digits than its factorization.

86616061668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 86616061668 in words is "eighty-six billion, six hundred sixteen million, sixty-one thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 607 863 1214 1531 1726 1821 2428 2589 3062 3452 3642 4593 5178 5463 6124 7284 7767 9186 10356 10926 13779 15534 16389 18372 21852 23301 27558 31068 32778 41337 46602 55116 65556 82674 93204 165348 523841 929317 1047682 1321253 1571523 1858634 2095364 2642506 2787951 3143046 3717268 3963759 4714569 5285012 5575902 6286092 7927518 8363853 9429138 11151804 11891277 14143707 15855036 16727706 18858276 23782554 25091559 28287414 33455412 35673831 47565108 50183118 56574828 71347662 100366236 142695324 802000571 1604001142 2406001713 3208002284 4812003426 7218005139 9624006852 14436010278 21654015417 28872020556 43308030834 86616061668