Search a number
-
+
27304221229 = 66683409463
BaseRepresentation
bin11001011011011101…
…010101101000101101
32121110212201011002221
4121123131111220231
5421404340034404
620313212115341
71654424023345
oct313335255055
977425634087
1027304221229
111064158059a
125360165b51
132761a28b2c
1414703d3d25
15a9c129954
hex65b755a2d

27304221229 has 4 divisors (see below), whose sum is σ = 27304697376. Its totient is φ = 27303745084.

The previous prime is 27304221223. The next prime is 27304221233. The reversal of 27304221229 is 92212240372.

It is a happy number.

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 27304221229 - 29 = 27304220717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27304221194 and 27304221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27304221223) 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, 138049 + ... + 271414.

It is an arithmetic number, because the mean of its divisors is an integer number (6826174344).

Almost surely, 227304221229 is an apocalyptic number.

It is an amenable number.

27304221229 is a deficient number, since it is larger than the sum of its proper divisors (476147).

27304221229 is an equidigital number, since it uses as much as digits as its factorization.

27304221229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476146.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 27304221229 in words is "twenty-seven billion, three hundred four million, two hundred twenty-one thousand, two hundred twenty-nine".

Divisors: 1 66683 409463 27304221229