Base | Representation |
---|---|
bin | 1011111011111001000… |
… | …1000101010110000101 |
3 | 201121021200022101210011 |
4 | 2332332101011112011 |
5 | 11324423214043133 |
6 | 234111245230221 |
7 | 20546316642310 |
oct | 2767621052605 |
9 | 647250271704 |
10 | 205055612293 |
11 | 79a66602584 |
12 | 338a8862371 |
13 | 1644b84c83c |
14 | 9cd36db977 |
15 | 55022136cd |
hex | 2fbe445585 |
205055612293 has 8 divisors (see below), whose sum is σ = 246683443520. Its totient is φ = 166511324160.
The previous prime is 205055612291. The next prime is 205055612323. The reversal of 205055612293 is 392216550502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 205055612293 - 21 = 205055612291 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205055612291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770885628 + ... + 770885893.
It is an arithmetic number, because the mean of its divisors is an integer number (30835430440).
Almost surely, 2205055612293 is an apocalyptic number.
It is an amenable number.
205055612293 is a deficient number, since it is larger than the sum of its proper divisors (41627831227).
205055612293 is a wasteful number, since it uses less digits than its factorization.
205055612293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541771547.
The product of its (nonzero) digits is 162000, while the sum is 40.
The spelling of 205055612293 in words is "two hundred five billion, fifty-five million, six hundred twelve thousand, two hundred ninety-three".
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