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86219557340 = 22571087566563
BaseRepresentation
bin101000001001100010…
…1100000100111011100
322020112210022022201112
41100103011200213130
52403034201313330
6103335252201152
76141413100560
oct1202305404734
9266483268645
1086219557340
1133624768614
12148629091b8
138190844967
14425cbbb6a0
152399525795
hex14131609dc

86219557340 has 48 divisors (see below), whose sum is σ = 207117668352. Its totient is φ = 29533743936.

The previous prime is 86219557331. The next prime is 86219557357. The reversal of 86219557340 is 4375591268.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131102 + ... + 435461.

It is an arithmetic number, because the mean of its divisors is an integer number (4314951424).

It is a 1-persistent number, because it is pandigital, but 2⋅86219557340 = 172439114680 is not.

Almost surely, 286219557340 is an apocalyptic number.

It is an amenable number.

86219557340 is an abundant number, since it is smaller than the sum of its proper divisors (120898111012).

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

86219557340 is a wasteful number, since it uses less digits than its factorization.

86219557340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567666 (or 567664 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 86219557340 in words is "eighty-six billion, two hundred nineteen million, five hundred fifty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1087 2174 4348 5435 7609 10870 15218 21740 30436 38045 76090 152180 566563 1133126 2266252 2832815 3965941 5665630 7931882 11331260 15863764 19829705 39659410 79318820 615853981 1231707962 2463415924 3079269905 4310977867 6158539810 8621955734 12317079620 17243911468 21554889335 43109778670 86219557340