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206047835253 = 321331139408701
BaseRepresentation
bin1011111111100101101…
…0000111010001110101
3201200211211100112210200
42333321122013101311
511333441221212003
6234353532111113
720613025462521
oct2777132072165
9650754315720
10206047835253
117a4256a4357
1233b25005499
1316579295c10
149d893c2d81
15555e3aa6a3
hex2ff9687475

206047835253 has 48 divisors (see below), whose sum is σ = 333239262720. Its totient is φ = 121825296000.

The previous prime is 206047835251. The next prime is 206047835261. The reversal of 206047835253 is 352538740602.

206047835253 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 47 + 83 + 525 + 3 = 666.

It is not a de Polignac number, because 206047835253 - 21 = 206047835251 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206047835199 and 206047835208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206047835251) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 299803 + ... + 708503.

It is an arithmetic number, because the mean of its divisors is an integer number (6942484640).

Almost surely, 2206047835253 is an apocalyptic number.

It is an amenable number.

206047835253 is a deficient number, since it is larger than the sum of its proper divisors (127191427467).

206047835253 is a wasteful number, since it uses less digits than its factorization.

206047835253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408890 (or 408887 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 206047835253 in words is "two hundred six billion, forty-seven million, eight hundred thirty-five thousand, two hundred fifty-three".

Divisors: 1 3 9 13 31 39 93 117 139 279 403 417 1209 1251 1807 3627 4309 5421 12927 16263 38781 56017 168051 408701 504153 1226103 3678309 5313113 12669731 15939339 38009193 47818017 56809439 114027579 164706503 170428317 494119509 511284951 738522707 1482358527 1761092609 2215568121 5283277827 6646704363 15849833481 22894203917 68682611751 206047835253