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205200305011210 = 25171247396773881
BaseRepresentation
bin101110101010000011101011…
…010010011011101000001010
3222220112221212001222001012111
4232222003223102123220022
5203344000211040324320
62004231415125332534
761136142564504325
oct5652035322335012
9886487761861174
10205200305011210
115a423a62688493
121b02123ab6714a
138a663c8906002
143895a67ba77bc
1518acae68d3a5a
hexbaa0eb49ba0a

205200305011210 has 32 divisors (see below), whose sum is σ = 391118998918032. Its totient is φ = 77245685207040.

The previous prime is 205200305011201. The next prime is 205200305011277. The reversal of 205200305011210 is 12110503002502.

It can be written as a sum of positive squares in 8 ways, for example, as 194002025828521 + 11198279182689 = 13928461^2 + 3346383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46266531 + ... + 50507350.

Almost surely, 2205200305011210 is an apocalyptic number.

205200305011210 is a deficient number, since it is larger than the sum of its proper divisors (185918693906822).

205200305011210 is a wasteful number, since it uses less digits than its factorization.

205200305011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96786378.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 205200305011210 its reverse (12110503002502), we get a palindrome (217310808013712).

The spelling of 205200305011210 in words is "two hundred five trillion, two hundred billion, three hundred five million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 12473 24946 62365 124730 212041 424082 1060205 2120410 96773881 193547762 483869405 967738810 1645155977 3290311954 8225779885 16451559770 1207060617713 2414121235426 6035303088565 12070606177130 20520030501121 41040061002242 102600152505605 205200305011210