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221000211222230 = 25112577316542119
BaseRepresentation
bin110010001111111110011111…
…000101011100111011010110
31001222111102011200222012010202
4302033332133011130323112
5212431331413033102410
62102010032341220502
764356511153422626
oct6217763705347326
91058442150865122
10221000211222230
1164465732853700
12209533a3701732
1396412cc5246cb
143c8067838c886
151a83ac8eb0ca5
hexc8ff9f15ced6

221000211222230 has 48 divisors (see below), whose sum is σ = 438009460791840. Its totient is φ = 80224434385920.

The previous prime is 221000211222223. The next prime is 221000211222283. The reversal of 221000211222230 is 32222112000122.

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, 157572890 + ... + 158969229.

It is an arithmetic number, because the mean of its divisors is an integer number (9125197099830).

Almost surely, 2221000211222230 is an apocalyptic number.

221000211222230 is a deficient number, since it is larger than the sum of its proper divisors (217009249569610).

221000211222230 is a wasteful number, since it uses less digits than its factorization.

221000211222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316542725 (or 316542714 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221000211222230 its reverse (32222112000122), we get a palindrome (253222323222352).

The spelling of 221000211222230 in words is "two hundred twenty-one trillion, two hundred eleven million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 577 605 1154 1210 2885 5770 6347 12694 31735 63470 69817 139634 349085 698170 316542119 633084238 1582710595 3165421190 3481963309 6963926618 17409816545 34819633090 38301596399 76603192798 182644802663 191507981995 365289605326 383015963990 913224013315 1826448026630 2009092829293 4018185658586 10045464146465 20090928292930 22100021122223 44200042244446 110500105611115 221000211222230