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201011014205 = 51093469106321
BaseRepresentation
bin1011101100110100110…
…0001010101000111101
3201012211210200112020222
42323031030022220331
511243132304423310
6232202043351125
720344145300201
oct2731514125075
9635753615228
10201011014205
1178280528131
1232b5a2224a5
1315c55914731
149a2c498b01
1553670ce055
hex2ecd30aa3d

201011014205 has 16 divisors (see below), whose sum is σ = 243498644400. Its totient is φ = 159286072320.

The previous prime is 201011014187. The next prime is 201011014241. The reversal of 201011014205 is 502410110102.

It can be written as a sum of positive squares in 8 ways, for example, as 73061008804 + 127950005401 = 270298^2 + 357701^2 .

It is a de Polignac number, because none of the positive numbers 2k-201011014205 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837445 + ... + 1943765.

It is an arithmetic number, because the mean of its divisors is an integer number (15218665275).

Almost surely, 2201011014205 is an apocalyptic number.

It is an amenable number.

201011014205 is a deficient number, since it is larger than the sum of its proper divisors (42487630195).

201011014205 is a wasteful number, since it uses less digits than its factorization.

201011014205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109904.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 201011014205 its reverse (502410110102), we get a palindrome (703421124307).

The spelling of 201011014205 in words is "two hundred one billion, eleven million, fourteen thousand, two hundred five".

Divisors: 1 5 109 545 3469 17345 106321 378121 531605 1890605 11588989 57944945 368827549 1844137745 40202202841 201011014205