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205051010 = 2520505101
BaseRepresentation
bin11000011100011…
…01010010000010
3112021211200002212
430032031102002
5404443113020
632202542122
75036622233
oct1416152202
9467750085
10205051010
11a582294a
1258807942
1333635378
141d33908a
1513005cc5
hexc38d482

205051010 has 8 divisors (see below), whose sum is σ = 369091836. Its totient is φ = 82020400.

The previous prime is 205050973. The next prime is 205051013. The reversal of 205051010 is 10150502.

It can be written as a sum of positive squares in 2 ways, for example, as 170276401 + 34774609 = 13049^2 + 5897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (205051013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10252541 + ... + 10252560.

Almost surely, 2205051010 is an apocalyptic number.

205051010 is a deficient number, since it is larger than the sum of its proper divisors (164040826).

205051010 is a wasteful number, since it uses less digits than its factorization.

205051010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505108.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 205051010 is about 14319.6022989467. The cubic root of 205051010 is about 589.6857562435.

The spelling of 205051010 in words is "two hundred five million, fifty-one thousand, ten".

Divisors: 1 2 5 10 20505101 41010202 102525505 205051010