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80841671100 = 223252809111031
BaseRepresentation
bin100101101001010001…
…0100000000110111100
321201122222212101200200
41023102202200012330
52311030431433400
6101045501323500
75561221603131
oct1132242400674
9251588771620
1080841671100
113131501a033
1213801866590
137814618058
143cac870588
152182327b00
hex12d28a01bc

80841671100 has 108 divisors (see below), whose sum is σ = 253709230320. Its totient is φ = 21530937600.

The previous prime is 80841671081. The next prime is 80841671101. The reversal of 80841671100 is 117614808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80841671101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 672585 + ... + 783615.

It is an arithmetic number, because the mean of its divisors is an integer number (2349159540).

Almost surely, 280841671100 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 80841671100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126854615160).

80841671100 is an abundant number, since it is smaller than the sum of its proper divisors (172867559220).

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

80841671100 is a wasteful number, since it uses less digits than its factorization.

80841671100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111860 (or 111850 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 80841671100 in words is "eighty billion, eight hundred forty-one million, six hundred seventy-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 809 900 1618 2427 3236 4045 4854 7281 8090 9708 12135 14562 16180 20225 24270 29124 36405 40450 48540 60675 72810 80900 111031 121350 145620 182025 222062 242700 333093 364050 444124 555155 666186 728100 999279 1110310 1332372 1665465 1998558 2220620 2775775 3330930 3997116 4996395 5551550 6661860 8327325 9992790 11103100 16654650 19985580 24981975 33309300 49963950 89824079 99927900 179648158 269472237 359296316 449120395 538944474 808416711 898240790 1077888948 1347361185 1616833422 1796481580 2245601975 2694722370 3233666844 4042083555 4491203950 5389444740 6736805925 8084167110 8982407900 13473611850 16168334220 20210417775 26947223700 40420835550 80841671100