Base | Representation |
---|---|
bin | 10000001001011110… |
… | …10000010111001010 |
3 | 211101012001201221000 |
4 | 20010233100113022 |
5 | 120223333244432 |
6 | 3552131555430 |
7 | 424556643513 |
oct | 100457202712 |
9 | 24335051830 |
10 | 8669431242 |
11 | 374973900a |
12 | 181b45bb76 |
13 | a8213b694 |
14 | 5c3565a0a |
15 | 35b18057c |
hex | 204bd05ca |
8669431242 has 16 divisors (see below), whose sum is σ = 19265402880. Its totient is φ = 2889810396.
The previous prime is 8669431241. The next prime is 8669431247. The reversal of 8669431242 is 2421349668.
It is not an unprimeable number, because it can be changed into a prime (8669431241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80272458 + ... + 80272565.
It is an arithmetic number, because the mean of its divisors is an integer number (1204087680).
Almost surely, 28669431242 is an apocalyptic number.
8669431242 is an abundant number, since it is smaller than the sum of its proper divisors (10595971638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8669431242 is a wasteful number, since it uses less digits than its factorization.
8669431242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160545034 (or 160545028 counting only the distinct ones).
The product of its digits is 497664, while the sum is 45.
The square root of 8669431242 is about 93109.7805925887. The cubic root of 8669431242 is about 2054.2984359933.
The spelling of 8669431242 in words is "eight billion, six hundred sixty-nine million, four hundred thirty-one thousand, two hundred forty-two".
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