Base | Representation |
---|---|
bin | 1101011101101100101… |
… | …0011101111011010010 |
3 | 211010001101222201012121 |
4 | 3113123022131323102 |
5 | 12242210404033020 |
6 | 254132404444454 |
7 | 22466040303121 |
oct | 3273312357322 |
9 | 733041881177 |
10 | 231310221010 |
11 | 8a109653710 |
12 | 389b53a972a |
13 | 18a73c8a57b |
14 | b2a454bab8 |
15 | 603c10bbaa |
hex | 35db29ded2 |
231310221010 has 16 divisors (see below), whose sum is σ = 454209161472. Its totient is φ = 84112807600.
The previous prime is 231310220969. The next prime is 231310221019. The reversal of 231310221010 is 10122013132.
It is not an unprimeable number, because it can be changed into a prime (231310221019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051409986 + ... + 1051410205.
It is an arithmetic number, because the mean of its divisors is an integer number (28388072592).
Almost surely, 2231310221010 is an apocalyptic number.
231310221010 is a deficient number, since it is larger than the sum of its proper divisors (222898940462).
231310221010 is a wasteful number, since it uses less digits than its factorization.
231310221010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2102820209.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 231310221010 its reverse (10122013132), we get a palindrome (241432234142).
The spelling of 231310221010 in words is "two hundred thirty-one billion, three hundred ten million, two hundred twenty-one thousand, ten".
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