Base | Representation |
---|---|
bin | 1101011001010011100… |
… | …0001011010011010011 |
3 | 211000000020010010220120 |
4 | 3112110320023103103 |
5 | 12232302020133021 |
6 | 253415402241323 |
7 | 22424601255213 |
oct | 3262470132323 |
9 | 730006103816 |
10 | 230131021011 |
11 | 89663a64261 |
12 | 387264b6243 |
13 | 189168996a8 |
14 | b1d1ab4243 |
15 | 5ebd82e2c6 |
hex | 3594e0b4d3 |
230131021011 has 16 divisors (see below), whose sum is σ = 324902340000. Its totient is φ = 144390829568.
The previous prime is 230131020989. The next prime is 230131021031. The reversal of 230131021011 is 110120131032.
It is a happy number.
230131021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 230131021011 - 211 = 230131018963 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230131021031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812805 + ... + 1935593.
It is an arithmetic number, because the mean of its divisors is an integer number (20306396250).
Almost surely, 2230131021011 is an apocalyptic number.
230131021011 is a deficient number, since it is larger than the sum of its proper divisors (94771318989).
230131021011 is a wasteful number, since it uses less digits than its factorization.
230131021011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159558.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 230131021011 its reverse (110120131032), we get a palindrome (340251152043).
The spelling of 230131021011 in words is "two hundred thirty billion, one hundred thirty-one million, twenty-one thousand, eleven".
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