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22102302409 = 112009300219
BaseRepresentation
bin10100100101011001…
…100101111011001001
32010001100101021222221
4110211121211323021
5330231142134114
614053105014041
71411500320305
oct244531457311
963040337887
1022102302409
11941219aa30
12434a024321
1321130c0765
1410d95b0d05
158955da524
hex525665ec9

22102302409 has 4 divisors (see below), whose sum is σ = 24111602640. Its totient is φ = 20093002180.

The previous prime is 22102302403. The next prime is 22102302413. The reversal of 22102302409 is 90420320122.

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 22102302409 - 23 = 22102302401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102302401) 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, 1004650099 + ... + 1004650120.

It is an arithmetic number, because the mean of its divisors is an integer number (6027900660).

Almost surely, 222102302409 is an apocalyptic number.

It is an amenable number.

22102302409 is a deficient number, since it is larger than the sum of its proper divisors (2009300231).

22102302409 is a wasteful number, since it uses less digits than its factorization.

22102302409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009300230.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 22102302409 in words is "twenty-two billion, one hundred two million, three hundred two thousand, four hundred nine".

Divisors: 1 11 2009300219 22102302409