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86655147008 = 210659128413
BaseRepresentation
bin101000010110100001…
…1001001110000000000
322021200010221120102012
41100231003021300000
52404432204201013
6103450412312052
76155252411363
oct1205503116000
9267603846365
1086655147008
1133828631581
1214964772628
13822cb67521
1442a09a80da
1523c28b91a8
hex142d0c9c00

86655147008 has 44 divisors (see below), whose sum is σ = 173489882280. Its totient is φ = 43261489152.

The previous prime is 86655146983. The next prime is 86655147049. The reversal of 86655147008 is 80074155668.

It is a super-2 number, since 2×866551470082 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610610 + ... + 739022.

It is an arithmetic number, because the mean of its divisors is an integer number (3942951870).

Almost surely, 286655147008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86655147008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86744941140).

86655147008 is an abundant number, since it is smaller than the sum of its proper divisors (86834735272).

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

86655147008 is a wasteful number, since it uses less digits than its factorization.

86655147008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129092 (or 129074 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 86655147008 in words is "eighty-six billion, six hundred fifty-five million, one hundred forty-seven thousand, eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 659 1024 1318 2636 5272 10544 21088 42176 84352 128413 168704 256826 337408 513652 674816 1027304 2054608 4109216 8218432 16436864 32873728 65747456 84624167 131494912 169248334 338496668 676993336 1353986672 2707973344 5415946688 10831893376 21663786752 43327573504 86655147008