Base | Representation |
---|---|
bin | 11011100010011… |
… | …11110101000101 |
3 | 121002200201020000 |
4 | 31301033311011 |
5 | 433114414301 |
6 | 34531231513 |
7 | 5503404222 |
oct | 1561176505 |
9 | 532621200 |
10 | 231013701 |
11 | 109446016 |
12 | 65448599 |
13 | 38b257c9 |
14 | 22976949 |
15 | 15433786 |
hex | dc4fd45 |
231013701 has 20 divisors (see below), whose sum is σ = 345657312. Its totient is φ = 153758088.
The previous prime is 231013687. The next prime is 231013747. The reversal of 231013701 is 107310132.
It is not a de Polignac number, because 231013701 - 215 = 230980933 is a prime.
It is a super-3 number, since 3×2310137013 (a number of 26 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231013781) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56926 + ... + 60848.
Almost surely, 2231013701 is an apocalyptic number.
It is an amenable number.
231013701 is a deficient number, since it is larger than the sum of its proper divisors (114643611).
231013701 is an equidigital number, since it uses as much as digits as its factorization.
231013701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4662 (or 4653 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 231013701 is about 15199.1348766961. The cubic root of 231013701 is about 613.5913745333.
Adding to 231013701 its reverse (107310132), we get a palindrome (338323833).
The spelling of 231013701 in words is "two hundred thirty-one million, thirteen thousand, seven hundred one".
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