Search a number
-
+
201211222010 = 25471812365243
BaseRepresentation
bin1011101101100100011…
…1111001011111111010
3201020100202102010201212
42323121013321133322
511244040033101020
6232233554443122
720352126111341
oct2733107713772
9636322363655
10201211222010
1178373542227
1232bb52934a2
1315c882424a6
149a4acd2b58
155379979cc5
hex2ed91f97fa

201211222010 has 32 divisors (see below), whose sum is σ = 371929888512. Its totient is φ = 78336815040.

The previous prime is 201211222001. The next prime is 201211222013. The reversal of 201211222010 is 10222112102.

It is not an unprimeable number, because it can be changed into a prime (201211222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097552 + ... + 1267691.

It is an arithmetic number, because the mean of its divisors is an integer number (11622809016).

Almost surely, 2201211222010 is an apocalyptic number.

201211222010 is a deficient number, since it is larger than the sum of its proper divisors (170718666502).

201211222010 is a wasteful number, since it uses less digits than its factorization.

201211222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365478.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201211222010 its reverse (10222112102), we get a palindrome (211433334112).

The spelling of 201211222010 in words is "two hundred one billion, two hundred eleven million, two hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 47 94 181 235 362 470 905 1810 8507 17014 42535 85070 2365243 4730486 11826215 23652430 111166421 222332842 428108983 555832105 856217966 1111664210 2140544915 4281089830 20121122201 40242244402 100605611005 201211222010