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201050561061 = 3274177836067
BaseRepresentation
bin1011101100111110001…
…1000001101000100101
3201012221120002201100100
42323033203001220211
511243222420423221
6232210015134313
720345135400150
oct2731743015045
9635846081310
10201050561061
11782a0889289
1232b6b514399
1315c60b7cc3c
149a33830c97
15536a7e1926
hex2ecf8c1a25

201050561061 has 24 divisors (see below), whose sum is σ = 339987945024. Its totient is φ = 112083935040.

The previous prime is 201050561027. The next prime is 201050561087. The reversal of 201050561061 is 160165050102.

It is a happy number.

201050561061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201050561061 - 27 = 201050560933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201050561461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38915451 + ... + 38920616.

It is an arithmetic number, because the mean of its divisors is an integer number (14166164376).

Almost surely, 2201050561061 is an apocalyptic number.

201050561061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201050561061 is a deficient number, since it is larger than the sum of its proper divisors (138937383963).

201050561061 is a wasteful number, since it uses less digits than its factorization.

201050561061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77836121 (or 77836118 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 201050561061 in words is "two hundred one billion, fifty million, five hundred sixty-one thousand, sixty-one".

Divisors: 1 3 7 9 21 41 63 123 287 369 861 2583 77836067 233508201 544852469 700524603 1634557407 3191278747 4903672221 9573836241 22338951229 28721508723 67016853687 201050561061