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28222734269 = 238314784041
BaseRepresentation
bin11010010010001101…
…001011111110111101
32200211220001110010102
4122102031023332331
5430300004444034
620544303050445
72016246166052
oct322215137675
980756043112
1028222734269
1110a72aa7a84
1255778a0a25
13287a104b82
14151a3ad029
15b02ab197e
hex69234bfbd

28222734269 has 8 divisors (see below), whose sum is σ = 29804628672. Its totient is φ = 26670408160.

The previous prime is 28222734247. The next prime is 28222734271. The reversal of 28222734269 is 96243722282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28222734269 - 224 = 28205957053 is a prime.

It is a super-2 number, since 2×282227342692 (a number of 22 digits) contains 22 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 (28222730269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7390112 + ... + 7393929.

It is an arithmetic number, because the mean of its divisors is an integer number (3725578584).

Almost surely, 228222734269 is an apocalyptic number.

It is an amenable number.

28222734269 is a deficient number, since it is larger than the sum of its proper divisors (1581894403).

28222734269 is a wasteful number, since it uses less digits than its factorization.

28222734269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784147.

The product of its digits is 1161216, while the sum is 47.

The spelling of 28222734269 in words is "twenty-eight billion, two hundred twenty-two million, seven hundred thirty-four thousand, two hundred sixty-nine".

Divisors: 1 23 83 1909 14784041 340032943 1227075403 28222734269