Base | Representation |
---|---|
bin | 1101011001111101000… |
… | …0101011001011100111 |
3 | 211000110100220010102110 |
4 | 3112133100223023213 |
5 | 12233131113341312 |
6 | 253444544012103 |
7 | 22432115013054 |
oct | 3263720531347 |
9 | 730410803373 |
10 | 230305215207 |
11 | 89743320a01 |
12 | 38774901033 |
13 | 189439b9a92 |
14 | b20ac9a02b |
15 | 5ecdc8c43c |
hex | 359f42b2e7 |
230305215207 has 24 divisors (see below), whose sum is σ = 316683871344. Its totient is φ = 148824242944.
The previous prime is 230305215199. The next prime is 230305215233. The reversal of 230305215207 is 702512503032.
It is a happy number.
It is not a de Polignac number, because 230305215207 - 23 = 230305215199 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230305215307) 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, 990223 + ... + 1200479.
It is an arithmetic number, because the mean of its divisors is an integer number (13195161306).
Almost surely, 2230305215207 is an apocalyptic number.
230305215207 is a deficient number, since it is larger than the sum of its proper divisors (86378656137).
230305215207 is an equidigital number, since it uses as much as digits as its factorization.
230305215207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210479 (or 210396 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 30.
Adding to 230305215207 its reverse (702512503032), we get a palindrome (932817718239).
The spelling of 230305215207 in words is "two hundred thirty billion, three hundred five million, two hundred fifteen thousand, two hundred seven".
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