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8676943812 = 2232736774877
BaseRepresentation
bin10000001010010111…
…11010011111000100
3211101201012102020100
420011023322133010
5120232244200222
63553001004100
7425010543165
oct100513723704
924351172210
108676943812
1137529aa349
121821a83630
13a8386bca4
145c455d76c
1535bb664ac
hex2052fa7c4

8676943812 has 72 divisors (see below), whose sum is σ = 22271250456. Its totient is φ = 2847896064.

The previous prime is 8676943787. The next prime is 8676943823. The reversal of 8676943812 is 2183496768.

It can be written as a sum of positive squares in 4 ways, for example, as 3304640196 + 5372303616 = 57486^2 + 73296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776718 + ... + 1781594.

It is an arithmetic number, because the mean of its divisors is an integer number (309322923).

Almost surely, 28676943812 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 8676943812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11135625228).

8676943812 is an abundant number, since it is smaller than the sum of its proper divisors (13594306644).

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

8676943812 is a wasteful number, since it uses less digits than its factorization.

8676943812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5632 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 8676943812 is about 93150.1143960650. The cubic root of 8676943812 is about 2054.8916546498.

The spelling of 8676943812 in words is "eight billion, six hundred seventy-six million, nine hundred forty-three thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 677 876 1314 1354 2031 2628 2708 4062 4877 6093 8124 9754 12186 14631 19508 24372 29262 43893 49421 58524 87786 98842 148263 175572 197684 296526 356021 444789 593052 712042 889578 1068063 1424084 1779156 2136126 3204189 3301729 4272252 6408378 6603458 9905187 12816756 13206916 19810374 29715561 39620748 59431122 118862244 241026217 482052434 723078651 964104868 1446157302 2169235953 2892314604 4338471906 8676943812