Base | Representation |
---|---|
bin | 1011111101000111110… |
… | …1101001001000011000 |
3 | 201122010201002220020200 |
4 | 2333101331221020120 |
5 | 11331112312412222 |
6 | 234204132022200 |
7 | 20560441464516 |
oct | 2772175511030 |
9 | 648121086220 |
10 | 205386060312 |
11 | 7a116093014 |
12 | 3397b461960 |
13 | 164a214b504 |
14 | 9d255594b6 |
15 | 5521238eac |
hex | 2fd1f69218 |
205386060312 has 72 divisors (see below), whose sum is σ = 585578225700. Its totient is φ = 64853462592.
The previous prime is 205386060263. The next prime is 205386060343. The reversal of 205386060312 is 213060683502.
It is a happy number.
205386060312 is a `hidden beast` number, since 2 + 0 + 5 + 38 + 6 + 0 + 603 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16755978 + ... + 16768230.
Almost surely, 2205386060312 is an apocalyptic number.
It is an amenable number.
205386060312 is an abundant number, since it is smaller than the sum of its proper divisors (380192165388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205386060312 is an equidigital number, since it uses as much as digits as its factorization.
205386060312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24537 (or 12277 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The spelling of 205386060312 in words is "two hundred five billion, three hundred eighty-six million, sixty thousand, three hundred twelve".
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