Base | Representation |
---|---|
bin | 1101011100100111111… |
… | …1110011010011100011 |
3 | 211002022100001100120012 |
4 | 3113021333303103203 |
5 | 12241113141243243 |
6 | 254044035435135 |
7 | 22455642255500 |
oct | 3271177632343 |
9 | 732270040505 |
10 | 231022212323 |
11 | 89a8101a501 |
12 | 38934a55aab |
13 | 18a293ca826 |
14 | b2781ba4a7 |
15 | 6021bbad18 |
hex | 35c9ff34e3 |
231022212323 has 12 divisors (see below), whose sum is σ = 268782656400. Its totient is φ = 197987699952.
The previous prime is 231022212259. The next prime is 231022212373. The reversal of 231022212323 is 323212220132.
It is not a de Polignac number, because 231022212323 - 26 = 231022212259 is a prime.
It is a super-2 number, since 2×2310222123232 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231022212373) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57623 + ... + 682176.
It is an arithmetic number, because the mean of its divisors is an integer number (22398554700).
Almost surely, 2231022212323 is an apocalyptic number.
231022212323 is a deficient number, since it is larger than the sum of its proper divisors (37760444077).
231022212323 is an equidigital number, since it uses as much as digits as its factorization.
231022212323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746186 (or 746179 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 231022212323 its reverse (323212220132), we get a palindrome (554234432455).
The spelling of 231022212323 in words is "two hundred thirty-one billion, twenty-two million, two hundred twelve thousand, three hundred twenty-three".
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