Base | Representation |
---|---|
bin | 1011111101001011110… |
… | …0000001010011001000 |
3 | 201122011211212122212100 |
4 | 2333102330001103020 |
5 | 11331131004142412 |
6 | 234205514313400 |
7 | 20561030460663 |
oct | 2772274012310 |
9 | 648154778770 |
10 | 205402412232 |
11 | 7a1243414a6 |
12 | 33984a28860 |
13 | 164a56552c4 |
14 | 9d277b46da |
15 | 55228b8edc |
hex | 2fd2f014c8 |
205402412232 has 48 divisors (see below), whose sum is σ = 558462834540. Its totient is φ = 68201054208.
The previous prime is 205402412227. The next prime is 205402412233. The reversal of 205402412232 is 232214204502.
205402412232 is a `hidden beast` number, since 20 + 5 + 402 + 4 + 1 + 2 + 232 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 145888858116 + 59513554116 = 381954^2 + 243954^2 .
It is a super-3 number, since 3×2054024122323 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 205402412196 and 205402412205.
It is not an unprimeable number, because it can be changed into a prime (205402412233) 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, 5531713 + ... + 5568720.
Almost surely, 2205402412232 is an apocalyptic number.
It is an amenable number.
205402412232 is an abundant number, since it is smaller than the sum of its proper divisors (353060422308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205402412232 is a wasteful number, since it uses less digits than its factorization.
205402412232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11100702 (or 11100695 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 205402412232 its reverse (232214204502), we get a palindrome (437616616734).
The spelling of 205402412232 in words is "two hundred five billion, four hundred two million, four hundred twelve thousand, two hundred thirty-two".
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