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27388912351 is a prime number
BaseRepresentation
bin11001100000100000…
…011010001011011111
32121200210001220111011
4121200200122023133
5422043030143401
620325435240051
71656502625263
oct314040321337
977623056434
1027388912351
1110685366259
1253845a9027
13277643c518
14147b75c0a3
15aa47a8451
hex66081a2df

27388912351 has 2 divisors, whose sum is σ = 27388912352. Its totient is φ = 27388912350.

The previous prime is 27388912303. The next prime is 27388912367. The reversal of 27388912351 is 15321988372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27388912351 - 29 = 27388911839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27388912295 and 27388912304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27388912051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13694456175 + 13694456176.

It is an arithmetic number, because the mean of its divisors is an integer number (13694456176).

Almost surely, 227388912351 is an apocalyptic number.

27388912351 is a deficient number, since it is larger than the sum of its proper divisors (1).

27388912351 is an equidigital number, since it uses as much as digits as its factorization.

27388912351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The spelling of 27388912351 in words is "twenty-seven billion, three hundred eighty-eight million, nine hundred twelve thousand, three hundred fifty-one".