Base | Representation |
---|---|
bin | 1101011101010100110… |
… | …1100011000001110101 |
3 | 211002210110002111120112 |
4 | 3113111031203001311 |
5 | 12242004323140140 |
6 | 254114440312405 |
7 | 22463415450632 |
oct | 3272515430165 |
9 | 732713074515 |
10 | 231210365045 |
11 | 8a068250420 |
12 | 38987a72705 |
13 | 18a593974ba |
14 | b295197189 |
15 | 6033484c65 |
hex | 35d5363075 |
231210365045 has 16 divisors (see below), whose sum is σ = 310855805568. Its totient is φ = 163608315840.
The previous prime is 231210364993. The next prime is 231210365093. The reversal of 231210365045 is 540563012132.
It is a happy number.
It is not a de Polignac number, because 231210365045 - 226 = 231143256181 is a prime.
It is a super-3 number, since 3×2312103650453 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56806409 + ... + 56810478.
It is an arithmetic number, because the mean of its divisors is an integer number (19428487848).
Almost surely, 2231210365045 is an apocalyptic number.
It is an amenable number.
231210365045 is a deficient number, since it is larger than the sum of its proper divisors (79645440523).
231210365045 is a wasteful number, since it uses less digits than its factorization.
231210365045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113616940.
The product of its (nonzero) digits is 21600, while the sum is 32.
Adding to 231210365045 its reverse (540563012132), we get a palindrome (771773377177).
The spelling of 231210365045 in words is "two hundred thirty-one billion, two hundred ten million, three hundred sixty-five thousand, forty-five".
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