Search a number
-
+
221023321301113 = 1991110669956287
BaseRepresentation
bin110010010000010100000000…
…100011011010000001111001
31001222120121211021122211120021
4302100110000203122001321
5212432221230223113423
62102024413450330441
764361256642023122
oct6220240043320171
91058517737584507
10221023321301113
1164474511898a51
1220957973129a21
139643543345ab6
143c8182b733049
151a844cccb695d
hexc905008da079

221023321301113 has 4 divisors (see below), whose sum is σ = 222133991257600. Its totient is φ = 219912651344628.

The previous prime is 221023321301071. The next prime is 221023321301117. The reversal of 221023321301113 is 311103123320122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221023321301113 - 29 = 221023321300601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221023321301117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555334977945 + ... + 555334978342.

It is an arithmetic number, because the mean of its divisors is an integer number (55533497814400).

Almost surely, 2221023321301113 is an apocalyptic number.

It is an amenable number.

221023321301113 is a deficient number, since it is larger than the sum of its proper divisors (1110669956487).

221023321301113 is a wasteful number, since it uses less digits than its factorization.

221023321301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110669956486.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221023321301113 its reverse (311103123320122), we get a palindrome (532126444621235).

The spelling of 221023321301113 in words is "two hundred twenty-one trillion, twenty-three billion, three hundred twenty-one million, three hundred one thousand, one hundred thirteen".

Divisors: 1 199 1110669956287 221023321301113