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22182806011 = 105251210761
BaseRepresentation
bin10100101010001100…
…101100000111111011
32010020221212022011211
4110222030230013323
5330412244243021
614105102303551
71413465511552
oct245214540773
963227768154
1022182806011
119453685533
124370b87bb7
132126999122
141106168d99
1589c6dd3e1
hex52a32c1fb

22182806011 has 4 divisors (see below), whose sum is σ = 22183122024. Its totient is φ = 22182490000.

The previous prime is 22182806003. The next prime is 22182806069. The reversal of 22182806011 is 11060828122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22182806011 - 23 = 22182806003 is a prime.

It is a super-3 number, since 3×221828060113 (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22182806081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130 + ... + 210631.

It is an arithmetic number, because the mean of its divisors is an integer number (5545780506).

Almost surely, 222182806011 is an apocalyptic number.

22182806011 is a deficient number, since it is larger than the sum of its proper divisors (316013).

22182806011 is a wasteful number, since it uses less digits than its factorization.

22182806011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316012.

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 22182806011 in words is "twenty-two billion, one hundred eighty-two million, eight hundred six thousand, eleven".

Divisors: 1 105251 210761 22182806011