Base | Representation |
---|---|
bin | 11000101001000… |
… | …01000110011011 |
3 | 112101221201000122 |
4 | 30110201012123 |
5 | 410404030201 |
6 | 32302223455 |
7 | 5056651430 |
oct | 1424410633 |
9 | 471851018 |
10 | 206705051 |
11 | a6752623 |
12 | 59284b8b |
13 | 33a941a7 |
14 | 1d649b87 |
15 | 13230e1b |
hex | c52119b |
206705051 has 8 divisors (see below), whose sum is σ = 242619360. Its totient is φ = 172387008.
The previous prime is 206705041. The next prime is 206705053. The reversal of 206705051 is 150507602.
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 206705051 - 26 = 206704987 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 206705051.
It is not an unprimeable number, because it can be changed into a prime (206705053) 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, 398786 + ... + 399303.
It is an arithmetic number, because the mean of its divisors is an integer number (30327420).
Almost surely, 2206705051 is an apocalyptic number.
206705051 is a deficient number, since it is larger than the sum of its proper divisors (35914309).
206705051 is an equidigital number, since it uses as much as digits as its factorization.
206705051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 798133.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 206705051 is about 14377.2407297089. The cubic root of 206705051 is about 591.2670758060.
The spelling of 206705051 in words is "two hundred six million, seven hundred five thousand, fifty-one".
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