Base | Representation |
---|---|
bin | 1101011001001111000… |
… | …0110011100000010000 |
3 | 210222221220220121000202 |
4 | 3112103300303200100 |
5 | 12232232222430222 |
6 | 253413453234332 |
7 | 22424253242042 |
oct | 3262360634020 |
9 | 728856817022 |
10 | 230112311312 |
11 | 896544453a4 |
12 | 387201929a8 |
13 | 18912a48670 |
14 | b1cd403a92 |
15 | 5ebbd85892 |
hex | 3593c33810 |
230112311312 has 40 divisors (see below), whose sum is σ = 480169855704. Its totient is φ = 106198677504.
The previous prime is 230112311269. The next prime is 230112311357. The reversal of 230112311312 is 213113211032.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 13716157456 + 216396153856 = 117116^2 + 465184^2 .
It is a super-2 number, since 2×2301123113122 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444808 + ... + 4496280.
Almost surely, 2230112311312 is an apocalyptic number.
It is an amenable number.
230112311312 is an abundant number, since it is smaller than the sum of its proper divisors (250057544392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230112311312 is a wasteful number, since it uses less digits than its factorization.
230112311312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72987 (or 72981 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 230112311312 its reverse (213113211032), we get a palindrome (443225522344).
The spelling of 230112311312 in words is "two hundred thirty billion, one hundred twelve million, three hundred eleven thousand, three hundred twelve".
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