Search a number
-
+
20209971150 = 2335214970349
BaseRepresentation
bin10010110100100110…
…111010111111001110
31221011110121220112000
4102310212322333032
5312342223034100
613141225453130
71313551630455
oct226446727716
957143556460
1020209971150
1186310024a6
123b003411a6
131ba1043615
14d9a141b9c
157d43e4900
hex4b49bafce

20209971150 has 48 divisors (see below), whose sum is σ = 55689702000. Its totient is φ = 5389325280.

The previous prime is 20209971149. The next prime is 20209971163. The reversal of 20209971150 is 5117990202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7483825 + ... + 7486524.

It is an arithmetic number, because the mean of its divisors is an integer number (1160202125).

Almost surely, 220209971150 is an apocalyptic number.

20209971150 is an abundant number, since it is smaller than the sum of its proper divisors (35479730850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20209971150 is a wasteful number, since it uses less digits than its factorization.

20209971150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14970370 (or 14970359 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 20209971150 in words is "twenty billion, two hundred nine million, nine hundred seventy-one thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 14970349 29940698 44911047 74851745 89822094 134733141 149703490 224555235 269466282 374258725 404199423 449110470 673665705 748517450 808398846 1122776175 1347331410 2020997115 2245552350 3368328525 4041994230 6736657050 10104985575 20209971150