Base | Representation |
---|---|
bin | 1101011010011011100… |
… | …0111110011101001111 |
3 | 211000210021202110120200 |
4 | 3112212320332131033 |
5 | 12233411401023211 |
6 | 253505355344543 |
7 | 22435231025121 |
oct | 3264670763517 |
9 | 730707673520 |
10 | 230433220431 |
11 | 897a9600147 |
12 | 387ab752153 |
13 | 1896438760b |
14 | b21dc9b211 |
15 | 5eda124b56 |
hex | 35a6e3e74f |
230433220431 has 12 divisors (see below), whose sum is σ = 333790901808. Its totient is φ = 153186954624.
The previous prime is 230433220417. The next prime is 230433220439. The reversal of 230433220431 is 134022334032.
230433220431 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 3 + 3 + 220 + 431 = 666.
It is not a de Polignac number, because 230433220431 - 214 = 230433204047 is a prime.
It is a super-2 number, since 2×2304332204312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230433220395 and 230433220404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230433220439) 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, 36262675 + ... + 36269028.
It is an arithmetic number, because the mean of its divisors is an integer number (27815908484).
Almost surely, 2230433220431 is an apocalyptic number.
230433220431 is a deficient number, since it is larger than the sum of its proper divisors (103357681377).
230433220431 is a wasteful number, since it uses less digits than its factorization.
230433220431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72532062 (or 72532059 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 230433220431 its reverse (134022334032), we get a palindrome (364455554463).
The spelling of 230433220431 in words is "two hundred thirty billion, four hundred thirty-three million, two hundred twenty thousand, four hundred thirty-one".
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