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201052116909 = 32719324168611
BaseRepresentation
bin1011101100111110100…
…0111101011110101101
3201012221200000202120100
42323033220331132231
511243223320220114
6232210112341313
720345154540150
oct2731750753655
9635850022510
10201052116909
11782a1751206
1232b6bb44839
1315c612a6167
149a33b17c97
15536a9ec909
hex2ecfa3d7ad

201052116909 has 48 divisors (see below), whose sum is σ = 335004402304. Its totient is φ = 113815756800.

The previous prime is 201052116869. The next prime is 201052116917. The reversal of 201052116909 is 909611250102.

201052116909 is a `hidden beast` number, since 20 + 10 + 521 + 16 + 90 + 9 = 666.

It is not a de Polignac number, because 201052116909 - 212 = 201052112813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201052116959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2896014 + ... + 2964624.

Almost surely, 2201052116909 is an apocalyptic number.

It is an amenable number.

201052116909 is a deficient number, since it is larger than the sum of its proper divisors (133952285395).

201052116909 is a wasteful number, since it uses less digits than its factorization.

201052116909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69058 (or 69055 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 201052116909 in words is "two hundred one billion, fifty-two million, one hundred sixteen thousand, nine hundred nine".

Divisors: 1 3 7 9 21 63 193 241 579 723 1351 1687 1737 2169 4053 5061 12159 15183 46513 68611 139539 205833 325591 418617 480277 617499 976773 1440831 2930319 4322493 13241923 16535251 39725769 49605753 92693461 115746757 119177307 148817259 278080383 347240271 834241149 1041720813 3191303443 9573910329 22339124101 28721730987 67017372303 201052116909