Base | Representation |
---|---|
bin | 1011111110110110011… |
… | …0100011000001111100 |
3 | 201200100000122200200201 |
4 | 2333231212203001330 |
5 | 11333040020034220 |
6 | 234322134533244 |
7 | 20605102105246 |
oct | 2775546430174 |
9 | 650300580621 |
10 | 205849768060 |
11 | 7a333911562 |
12 | 33a8a807224 |
13 | 165472375b1 |
14 | 9d6ad85096 |
15 | 554bcd3d0a |
hex | 2fed9a307c |
205849768060 has 12 divisors (see below), whose sum is σ = 432284512968. Its totient is φ = 82339907216.
The previous prime is 205849768057. The next prime is 205849768063. The reversal of 205849768060 is 60867948502.
It is an interprime number because it is at equal distance from previous prime (205849768057) and next prime (205849768063).
It is a junction number, because it is equal to n+sod(n) for n = 205849767992 and 205849768010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205849768063) 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, 5146244182 + ... + 5146244221.
It is an arithmetic number, because the mean of its divisors is an integer number (36023709414).
Almost surely, 2205849768060 is an apocalyptic number.
205849768060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
205849768060 is an abundant number, since it is smaller than the sum of its proper divisors (226434744908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205849768060 is a wasteful number, since it uses less digits than its factorization.
205849768060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10292488412 (or 10292488410 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 55.
The spelling of 205849768060 in words is "two hundred five billion, eight hundred forty-nine million, seven hundred sixty-eight thousand, sixty".
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