Search a number
-
+
21301202321341 is a prime number
BaseRepresentation
bin1001101011111100100101…
…00110001111111110111101
32210102101010102012012200221
410311332102212033332331
510242444330243240331
6113145345351421341
74325650436200315
oct465762246177675
983371112165627
1021301202321341
116872875431028
122480395684851
13bb6905506107
14538dab37c445
1526e15e604711
hex135f9298ffbd

21301202321341 has 2 divisors, whose sum is σ = 21301202321342. Its totient is φ = 21301202321340.

The previous prime is 21301202321279. The next prime is 21301202321359. The reversal of 21301202321341 is 14312320210312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13672585941316 + 7628616380025 = 3697646^2 + 2761995^2 .

It is a cyclic number.

It is not a de Polignac number, because 21301202321341 - 29 = 21301202320829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21301202324341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650601160670 + 10650601160671.

It is an arithmetic number, because the mean of its divisors is an integer number (10650601160671).

Almost surely, 221301202321341 is an apocalyptic number.

It is an amenable number.

21301202321341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301202321341 is an equidigital number, since it uses as much as digits as its factorization.

21301202321341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21301202321341 its reverse (14312320210312), we get a palindrome (35613522531653).

The spelling of 21301202321341 in words is "twenty-one trillion, three hundred one billion, two hundred two million, three hundred twenty-one thousand, three hundred forty-one".