Base | Representation |
---|---|
bin | 1101011101000010001… |
… | …0111111111010101000 |
3 | 211002120222211100021210 |
4 | 3113100202333322220 |
5 | 12241324304233222 |
6 | 254103003033120 |
7 | 22461445311456 |
oct | 3272042777250 |
9 | 732528740253 |
10 | 231132102312 |
11 | 8a028056481 |
12 | 3896580b7a0 |
13 | 18a460c4aa7 |
14 | b288a239d6 |
15 | 602b675d0c |
hex | 35d08bfea8 |
231132102312 has 32 divisors (see below), whose sum is σ = 593447292000. Its totient is φ = 74961762624.
The previous prime is 231132102263. The next prime is 231132102317. The reversal of 231132102312 is 213201231132.
It is not an unprimeable number, because it can be changed into a prime (231132102317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130141062 + ... + 130142837.
It is an arithmetic number, because the mean of its divisors is an integer number (18545227875).
Almost surely, 2231132102312 is an apocalyptic number.
It is an amenable number.
231132102312 is an abundant number, since it is smaller than the sum of its proper divisors (362315189688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231132102312 is a wasteful number, since it uses less digits than its factorization.
231132102312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260283945 (or 260283941 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 231132102312 its reverse (213201231132), we get a palindrome (444333333444).
The spelling of 231132102312 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred two thousand, three hundred twelve".
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