Search a number
-
+
202020212102212 = 22737966128800241
BaseRepresentation
bin101101111011110001111110…
…111110101101010001000100
3222111021221110221010002022201
4231323301332332231101010
5202434344343244232322
61553354445414004244
760360323120000350
oct5573617676552104
9874257427102281
10202020212102212
1159408322091739
121a7a8a54346684
13889556913183a
1437c5b8aa0c460
151855021732d27
hexb7bc7efad444

202020212102212 has 48 divisors (see below), whose sum is σ = 405719377141120. Its totient is φ = 86221006502400.

The previous prime is 202020212102179. The next prime is 202020212102221. The reversal of 202020212102212 is 212201212020202.

It is a self number, because there is not a number n which added to its sum of digits gives 202020212102212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7385589 + ... + 21414652.

Almost surely, 2202020212102212 is an apocalyptic number.

It is an amenable number.

202020212102212 is an abundant number, since it is smaller than the sum of its proper divisors (203699165038908).

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

202020212102212 is a wasteful number, since it uses less digits than its factorization.

202020212102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28801292 (or 28801290 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202020212102212 its reverse (212201212020202), we get a palindrome (414221424122414).

The spelling of 202020212102212 in words is "two hundred two trillion, twenty billion, two hundred twelve million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 379 661 758 1322 1516 2644 2653 4627 5306 9254 10612 18508 250519 501038 1002076 1753633 3507266 7014532 28800241 57600482 115200964 201601687 403203374 806406748 10915291339 19036959301 21830582678 38073918602 43661165356 76147837204 76407039373 133258715107 152814078746 266517430214 305628157492 533034860428 7215007575079 14430015150158 28860030300316 50505053025553 101010106051106 202020212102212