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80835100432 = 2423593723061
BaseRepresentation
bin100101101001000100…
…1011011111100010000
321201122112111120102121
41023102021123330100
52311022241203212
6101045104424024
75561112005512
oct1132211337420
9251575446377
1080835100432
1131311341429
12137bb618014
137813157398
143caba3dbb2
15218197ad07
hex12d225bf10

80835100432 has 40 divisors (see below), whose sum is σ = 166197487680. Its totient is φ = 38004996480.

The previous prime is 80835100427. The next prime is 80835100457. The reversal of 80835100432 is 23400153808.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1839819 + ... + 1883242.

It is an arithmetic number, because the mean of its divisors is an integer number (4154937192).

Almost surely, 280835100432 is an apocalyptic number.

It is an amenable number.

80835100432 is an abundant number, since it is smaller than the sum of its proper divisors (85362387248).

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

80835100432 is a wasteful number, since it uses less digits than its factorization.

80835100432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723151 (or 3723145 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 80835100432 in words is "eighty billion, eight hundred thirty-five million, one hundred thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 23 46 59 92 118 184 236 368 472 944 1357 2714 5428 10856 21712 3723061 7446122 14892244 29784488 59568976 85630403 171260806 219660599 342521612 439321198 685043224 878642396 1370086448 1757284792 3514569584 5052193777 10104387554 20208775108 40417550216 80835100432