Base | Representation |
---|---|
bin | 1101011001010011100… |
… | …0110111011111011011 |
3 | 211000000020110100012021 |
4 | 3112110320313133123 |
5 | 12232302041431021 |
6 | 253415410155311 |
7 | 22424602641004 |
oct | 3262470673733 |
9 | 730006410167 |
10 | 230131202011 |
11 | 89664078247 |
12 | 38726582b37 |
13 | 18916930ba9 |
14 | b1d1b201ab |
15 | 5ebd867c41 |
hex | 3594e377db |
230131202011 has 4 divisors (see below), whose sum is σ = 230397867072. Its totient is φ = 229864536952.
The previous prime is 230131201957. The next prime is 230131202071. The reversal of 230131202011 is 110202131032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230131202011 - 215 = 230131169243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230131202071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133331236 + ... + 133332961.
It is an arithmetic number, because the mean of its divisors is an integer number (57599466768).
Almost surely, 2230131202011 is an apocalyptic number.
230131202011 is a deficient number, since it is larger than the sum of its proper divisors (266665061).
230131202011 is an equidigital number, since it uses as much as digits as its factorization.
230131202011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266665060.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 230131202011 its reverse (110202131032), we get a palindrome (340333333043).
The spelling of 230131202011 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred two thousand, eleven".
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