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27228481823 is a prime number
BaseRepresentation
bin11001010110111100…
…011010100100011111
32121021121012012011202
4121112330122210133
5421230442404243
620301504510115
71652514163634
oct312674324437
977247165152
1027228481823
111060284a444
12533a91b33b
13274c12ab0a
14146431a18b
15a956684b8
hex656f1a91f

27228481823 has 2 divisors, whose sum is σ = 27228481824. Its totient is φ = 27228481822.

The previous prime is 27228481789. The next prime is 27228481853. The reversal of 27228481823 is 32818482272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27228481823 - 216 = 27228416287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27228481853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13614240911 + 13614240912.

It is an arithmetic number, because the mean of its divisors is an integer number (13614240912).

Almost surely, 227228481823 is an apocalyptic number.

27228481823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27228481823 is an equidigital number, since it uses as much as digits as its factorization.

27228481823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 47.

The spelling of 27228481823 in words is "twenty-seven billion, two hundred twenty-eight million, four hundred eighty-one thousand, eight hundred twenty-three".