Base | Representation |
---|---|
bin | 1111001000011000… |
… | …00111011010100101 |
3 | 202222010111212102122 |
4 | 13210030013122211 |
5 | 113114034124040 |
6 | 3422023315325 |
7 | 405206216126 |
oct | 74414073245 |
9 | 22863455378 |
10 | 8123348645 |
11 | 3499467085 |
12 | 16a85abb45 |
13 | 9c5c70299 |
14 | 570c1604d |
15 | 3282631b5 |
hex | 1e43076a5 |
8123348645 has 8 divisors (see below), whose sum is σ = 9822431520. Its totient is φ = 6449070160.
The previous prime is 8123348621. The next prime is 8123348647. The reversal of 8123348645 is 5468433218.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8123348645 - 226 = 8056239781 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8123348596 and 8123348605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8123348647) 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, 6200375 + ... + 6201684.
It is an arithmetic number, because the mean of its divisors is an integer number (1227803940).
Almost surely, 28123348645 is an apocalyptic number.
It is an amenable number.
8123348645 is a deficient number, since it is larger than the sum of its proper divisors (1699082875).
8123348645 is a wasteful number, since it uses less digits than its factorization.
8123348645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12402195.
The product of its digits is 552960, while the sum is 44.
The square root of 8123348645 is about 90129.6213516955. The cubic root of 8123348645 is about 2010.2266722082.
The spelling of 8123348645 in words is "eight billion, one hundred twenty-three million, three hundred forty-eight thousand, six hundred forty-five".
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