Search a number
-
+
221230023030204 = 2232271607312116193
BaseRepresentation
bin110010010011010100100000…
…111011111011010110111100
31002000022101100200102122002020
4302103110200323323112330
5212444113041343431304
62102303400342000140
764412225130520656
oct6223244073732674
91060271320378066
10221230023030204
1164544142600431
122098ba3b116050
139659b94c27136
143c8b8398cb6d6
151a89a797885d9
hexc93520efb5bc

221230023030204 has 96 divisors (see below), whose sum is σ = 518998325239296. Its totient is φ = 73344754728960.

The previous prime is 221230023030161. The next prime is 221230023030259. The reversal of 221230023030204 is 402030320032122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13662069532 + ... + 13662085724.

It is an arithmetic number, because the mean of its divisors is an integer number (5406232554576).

Almost surely, 2221230023030204 is an apocalyptic number.

It is an amenable number.

221230023030204 is an abundant number, since it is smaller than the sum of its proper divisors (297768302209092).

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

221230023030204 is a wasteful number, since it uses less digits than its factorization.

221230023030204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155 (or 21153 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 221230023030204 its reverse (402030320032122), we get a palindrome (623260343062326).

The spelling of 221230023030204 in words is "two hundred twenty-one trillion, two hundred thirty billion, twenty-three million, thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 227 454 681 908 1362 1607 2724 3121 3214 4821 6242 6428 9363 9642 12484 16193 18726 19284 32386 37452 48579 64772 97158 194316 364789 708467 729578 1094367 1416934 1459156 2125401 2188734 2833868 3675811 4250802 4377468 5015447 7351622 8501604 10030894 11027433 14703244 15046341 20061788 22054866 26022151 30092682 44109732 50538353 52044302 60185364 78066453 101076706 104088604 151615059 156132906 202153412 303230118 312265812 606460236 1138506469 2277012938 3415519407 4554025876 5907028277 6831038814 11472206131 11814056554 13662077628 17721084831 22944412262 23628113108 34416618393 35442169662 45888824524 68833236786 70884339324 81215133271 137666473572 162430266542 243645399813 324860533084 487290799626 974581599252 18435835252517 36871670505034 55307505757551 73743341010068 110615011515102 221230023030204