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13431127269487 is a prime number
BaseRepresentation
bin1100001101110010110110…
…0100011110000001101111
31202120000002100112000200011
43003130231210132001233
53230023422040110422
644322101422114051
72554236566051254
oct303345544360157
952500070460604
1013431127269487
1143091222163a4
12160b06141b927
1376571c0996c5
143460da22d42b
15184593b2a077
hexc372d91e06f

13431127269487 has 2 divisors, whose sum is σ = 13431127269488. Its totient is φ = 13431127269486.

The previous prime is 13431127269479. The next prime is 13431127269493. The reversal of 13431127269487 is 78496272113431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13431127269487 - 23 = 13431127269479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13431127263487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715563634743 + 6715563634744.

It is an arithmetic number, because the mean of its divisors is an integer number (6715563634744).

Almost surely, 213431127269487 is an apocalyptic number.

13431127269487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431127269487 is an equidigital number, since it uses as much as digits as its factorization.

13431127269487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 58.

The spelling of 13431127269487 in words is "thirteen trillion, four hundred thirty-one billion, one hundred twenty-seven million, two hundred sixty-nine thousand, four hundred eighty-seven".