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27431972640301 is a prime number
BaseRepresentation
bin1100011110011000000001…
…11111000001011000101101
310121010110201100011021011211
412033030000333001120231
512043421134443442201
6134202024012314421
75530615566112645
oct617140077013055
9117113640137154
1027431972640301
11881691a450649
1230b0600172a11
13123ca931ca868
146aba00a77525
1532887dd63651
hex18f300fc162d

27431972640301 has 2 divisors, whose sum is σ = 27431972640302. Its totient is φ = 27431972640300.

The previous prime is 27431972640299. The next prime is 27431972640307. The reversal of 27431972640301 is 10304627913472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27416732737801 + 15239902500 = 5236099^2 + 123450^2 .

It is a cyclic number.

It is not a de Polignac number, because 27431972640301 - 21 = 27431972640299 is a prime.

Together with 27431972640299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27431972640307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13715986320150 + 13715986320151.

It is an arithmetic number, because the mean of its divisors is an integer number (13715986320151).

Almost surely, 227431972640301 is an apocalyptic number.

It is an amenable number.

27431972640301 is a deficient number, since it is larger than the sum of its proper divisors (1).

27431972640301 is an equidigital number, since it uses as much as digits as its factorization.

27431972640301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 27431972640301 in words is "twenty-seven trillion, four hundred thirty-one billion, nine hundred seventy-two million, six hundred forty thousand, three hundred one".