Base | Representation |
---|---|
bin | 1101011001100010011… |
… | …0100011000111001001 |
3 | 211000011120200212001110 |
4 | 3112120212203013021 |
5 | 12232414014240214 |
6 | 253425513440533 |
7 | 22426260353325 |
oct | 3263046430711 |
9 | 730146625043 |
10 | 230193508809 |
11 | 89696264270 |
12 | 38743410149 |
13 | 18926807b14 |
14 | b1da0dc985 |
15 | 5ec4074159 |
hex | 35989a31c9 |
230193508809 has 16 divisors (see below), whose sum is σ = 334963203840. Its totient is φ = 139454433360.
The previous prime is 230193508807. The next prime is 230193508843. The reversal of 230193508809 is 908805391032.
It is a happy number.
It is not a de Polignac number, because 230193508809 - 21 = 230193508807 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230193508807) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337227 + ... + 1499520.
It is an arithmetic number, because the mean of its divisors is an integer number (20935200240).
Almost surely, 2230193508809 is an apocalyptic number.
It is an amenable number.
230193508809 is a deficient number, since it is larger than the sum of its proper divisors (104769695031).
230193508809 is a wasteful number, since it uses less digits than its factorization.
230193508809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2839220.
The product of its (nonzero) digits is 466560, while the sum is 48.
The spelling of 230193508809 in words is "two hundred thirty billion, one hundred ninety-three million, five hundred eight thousand, eight hundred nine".
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