Search a number
-
+
80838661092 = 22371181814873
BaseRepresentation
bin100101101001001011…
…1000001001111100100
321201122210012110201220
41023102113001033210
52311024144123332
6101045313020340
75561154165450
oct1132227011744
9251583173656
1080838661092
1131313353622
12138008546b0
137813b02c97
143cac2c9660
152181e30d2c
hex12d25c13e4

80838661092 has 48 divisors (see below), whose sum is σ = 215752559232. Its totient is φ = 23077175040.

The previous prime is 80838661081. The next prime is 80838661093. The reversal of 80838661092 is 29016683808.

It is not an unprimeable number, because it can be changed into a prime (80838661093) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 308233 + ... + 506640.

It is an arithmetic number, because the mean of its divisors is an integer number (4494844984).

Almost surely, 280838661092 is an apocalyptic number.

It is an amenable number.

80838661092 is an abundant number, since it is smaller than the sum of its proper divisors (134913898140).

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

80838661092 is a wasteful number, since it uses less digits than its factorization.

80838661092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816068 (or 816066 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 80838661092 in words is "eighty billion, eight hundred thirty-eight million, six hundred sixty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1181 2362 3543 4724 7086 8267 14172 16534 24801 33068 49602 99204 814873 1629746 2444619 3259492 4889238 5704111 9778476 11408222 17112333 22816444 34224666 68449332 962365013 1924730026 2887095039 3849460052 5774190078 6736555091 11548380156 13473110182 20209665273 26946220364 40419330546 80838661092