Base | Representation |
---|---|
bin | 110100100011010001010000… |
… | …011110001001010010110111 |
3 | 1010022100001121122021211120121 |
4 | 310203101100132021102313 |
5 | 220243201110313241043 |
6 | 2135320012453312411 |
7 | 66453010562313121 |
oct | 6443212036112267 |
9 | 1108301548254517 |
10 | 231122130212023 |
11 | 67708388188216 |
12 | 21b09025935707 |
13 | 9bc69532b94bb |
14 | 4110529632211 |
15 | 1bac03c5b8ded |
hex | d234507894b7 |
231122130212023 has 4 divisors (see below), whose sum is σ = 232506095063760. Its totient is φ = 229738165360288.
The previous prime is 231122130212009. The next prime is 231122130212059. The reversal of 231122130212023 is 320212031221132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231122130212023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231122130212423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691982425618 + ... + 691982425951.
It is an arithmetic number, because the mean of its divisors is an integer number (58126523765940).
Almost surely, 2231122130212023 is an apocalyptic number.
231122130212023 is a deficient number, since it is larger than the sum of its proper divisors (1383964851737).
231122130212023 is a wasteful number, since it uses less digits than its factorization.
231122130212023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1383964851736.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 231122130212023 its reverse (320212031221132), we get a palindrome (551334161433155).
The spelling of 231122130212023 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirty million, two hundred twelve thousand, twenty-three".
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