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22809428027 = 159731427999
BaseRepresentation
bin10101001111100011…
…000100000000111011
32011212121221222222122
4111033203010000323
5333203203144102
614251205111455
71435144640111
oct251743040073
964777858878
1022809428027
119745366971
1245069b858b
1321c6756299
141165481ab1
158d77190a2
hex54f8c403b

22809428027 has 4 divisors (see below), whose sum is σ = 22810872000. Its totient is φ = 22807984056.

The previous prime is 22809427937. The next prime is 22809428039. The reversal of 22809428027 is 72082490822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72082490822 = 236041245411.

It is a cyclic number.

It is not a de Polignac number, because 22809428027 - 214 = 22809411643 is a prime.

It is a super-2 number, since 2×228094280272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22809428227) 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, 698027 + ... + 729972.

It is an arithmetic number, because the mean of its divisors is an integer number (5702718000).

Almost surely, 222809428027 is an apocalyptic number.

22809428027 is a deficient number, since it is larger than the sum of its proper divisors (1443973).

22809428027 is a wasteful number, since it uses less digits than its factorization.

22809428027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443972.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 22809428027 in words is "twenty-two billion, eight hundred nine million, four hundred twenty-eight thousand, twenty-seven".

Divisors: 1 15973 1427999 22809428027