Base | Representation |
---|---|
bin | 10000010011000001… |
… | …00110000100100110 |
3 | 211120202200100001210 |
4 | 20021200212010212 |
5 | 120404331132321 |
6 | 4004111332250 |
7 | 426551205543 |
oct | 101140460446 |
9 | 24522610053 |
10 | 8749474086 |
11 | 378a939421 |
12 | 1842221086 |
13 | a958b5402 |
14 | 5d003dbca |
15 | 3631e1b76 |
hex | 209826126 |
8749474086 has 16 divisors (see below), whose sum is σ = 17500230000. Its totient is φ = 2916277728.
The previous prime is 8749474049. The next prime is 8749474093. The reversal of 8749474086 is 6804749478.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51040 + ... + 141788.
It is an arithmetic number, because the mean of its divisors is an integer number (1093764375).
Almost surely, 28749474086 is an apocalyptic number.
8749474086 is an abundant number, since it is smaller than the sum of its proper divisors (8750755914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8749474086 is a wasteful number, since it uses less digits than its factorization.
8749474086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106823.
The product of its (nonzero) digits is 10838016, while the sum is 57.
The square root of 8749474086 is about 93538.6234985313. The cubic root of 8749474086 is about 2060.6013644745.
The spelling of 8749474086 in words is "eight billion, seven hundred forty-nine million, four hundred seventy-four thousand, eighty-six".
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