Search a number
-
+
223105510055461 = 112128312911113197
BaseRepresentation
bin110010101110100111001100…
…101011001001111000100101
31002020221200022121011000001011
4302232213030223021320211
5213220330041033233321
62110301131213502221
764664561344303615
oct6256471453117045
91066850277130034
10223105510055461
11650a7574094400
1221033413aa1971
1397649b4306a97
143d1451590ca45
151abd7464acae1
hexcae9ccac9e25

223105510055461 has 24 divisors (see below), whose sum is σ = 245613139121952. Its totient is φ = 202507940896800.

The previous prime is 223105510055459. The next prime is 223105510055479. The reversal of 223105510055461 is 164550015501322.

It is not a de Polignac number, because 223105510055461 - 21 = 223105510055459 is a prime.

It is a super-3 number, since 3×2231055100554613 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223105510055261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199862115 + ... + 200975311.

It is an arithmetic number, because the mean of its divisors is an integer number (10233880796748).

Almost surely, 2223105510055461 is an apocalyptic number.

It is an amenable number.

223105510055461 is a deficient number, since it is larger than the sum of its proper divisors (22507629066491).

223105510055461 is a wasteful number, since it uses less digits than its factorization.

223105510055461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115793 (or 1115782 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 223105510055461 its reverse (164550015501322), we get a palindrome (387655525556783).

The spelling of 223105510055461 in words is "two hundred twenty-three trillion, one hundred five billion, five hundred ten million, fifty-five thousand, four hundred sixty-one".

Divisors: 1 11 121 1283 1291 14113 14201 155243 156211 1113197 1656353 12245167 18219883 134696837 200418713 1428231751 1437137327 15710549261 15808510597 172816041871 173893616567 1843847190541 20282319095951 223105510055461