Base | Representation |
---|---|
bin | 10000001001010110… |
… | …11010100100010101 |
3 | 211101010011120220010 |
4 | 20010223122210111 |
5 | 120223104040334 |
6 | 3552054230433 |
7 | 424545251355 |
oct | 100453324425 |
9 | 24333146803 |
10 | 8668424469 |
11 | 3749110671 |
12 | 181b055419 |
13 | a81b78363 |
14 | 5c3382b65 |
15 | 35b0320e9 |
hex | 204ada915 |
8668424469 has 8 divisors (see below), whose sum is σ = 11566614400. Its totient is φ = 5774592096.
The previous prime is 8668424447. The next prime is 8668424489. The reversal of 8668424469 is 9644248668.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8668424469 - 27 = 8668424341 is a prime.
It is a super-2 number, since 2×86684244692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8668424419) 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, 1084744 + ... + 1092705.
It is an arithmetic number, because the mean of its divisors is an integer number (1445826800).
Almost surely, 28668424469 is an apocalyptic number.
It is an amenable number.
8668424469 is a deficient number, since it is larger than the sum of its proper divisors (2898189931).
8668424469 is a wasteful number, since it uses less digits than its factorization.
8668424469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2178779.
The product of its digits is 15925248, while the sum is 57.
The square root of 8668424469 is about 93104.3740594393. The cubic root of 8668424469 is about 2054.2189116582.
The spelling of 8668424469 in words is "eight billion, six hundred sixty-eight million, four hundred twenty-four thousand, four hundred sixty-nine".
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