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80746843356 = 2233809924173
BaseRepresentation
bin100101100110011100…
…0110000110011011100
321201102101102122111000
41023030320300303130
52310332142441411
6101032233030300
75555660562324
oct1131470606334
9251371378430
1080746843356
11312765405a3
1213795b55390
1377caa9586a
143ca0028284
152178d45956
hex12cce30cdc

80746843356 has 48 divisors (see below), whose sum is σ = 209602663200. Its totient is φ = 26882315136.

The previous prime is 80746843351. The next prime is 80746843393. The reversal of 80746843356 is 65334864708.

80746843356 is a `hidden beast` number, since 80 + 74 + 68 + 433 + 5 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80746843351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374715 + ... + 549458.

It is an arithmetic number, because the mean of its divisors is an integer number (4366722150).

Almost surely, 280746843356 is an apocalyptic number.

It is an amenable number.

80746843356 is an abundant number, since it is smaller than the sum of its proper divisors (128855819844).

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

80746843356 is a wasteful number, since it uses less digits than its factorization.

80746843356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924995 (or 924987 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 80746843356 in words is "eighty billion, seven hundred forty-six million, eight hundred forty-three thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 809 1618 2427 3236 4854 7281 9708 14562 21843 29124 43686 87372 924173 1848346 2772519 3696692 5545038 8317557 11090076 16635114 24952671 33270228 49905342 99810684 747655957 1495311914 2242967871 2990623828 4485935742 6728903613 8971871484 13457807226 20186710839 26915614452 40373421678 80746843356