Base | Representation |
---|---|
bin | 10000111110100111… |
… | …11010110100110000 |
3 | 212112020221200020200 |
4 | 20133103322310300 |
5 | 122132000444333 |
6 | 4104255235200 |
7 | 441612226536 |
oct | 103723726460 |
9 | 25466850220 |
10 | 9115249968 |
11 | 3958359240 |
12 | 1924818b00 |
13 | b23603146 |
14 | 626856156 |
15 | 385394c13 |
hex | 21f4fad30 |
9115249968 has 120 divisors (see below), whose sum is σ = 29039212800. Its totient is φ = 2642090880.
The previous prime is 9115249961. The next prime is 9115249973. The reversal of 9115249968 is 8699425119.
9115249968 is a `hidden beast` number, since 91 + 1 + 5 + 2 + 499 + 68 = 666.
It is not an unprimeable number, because it can be changed into a prime (9115249961) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88668 + ... + 161531.
It is an arithmetic number, because the mean of its divisors is an integer number (241993440).
Almost surely, 29115249968 is an apocalyptic number.
It is an amenable number.
9115249968 is an abundant number, since it is smaller than the sum of its proper divisors (19923962832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9115249968 is a wasteful number, since it uses less digits than its factorization.
9115249968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250247 (or 250238 counting only the distinct ones).
The product of its digits is 1399680, while the sum is 54.
The square root of 9115249968 is about 95473.8182330632. The cubic root of 9115249968 is about 2088.9250646234.
The spelling of 9115249968 in words is "nine billion, one hundred fifteen million, two hundred forty-nine thousand, nine hundred sixty-eight".
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