Search a number
-
+
33424513421513 is a prime number
BaseRepresentation
bin1111001100110010000000…
…01111111101000011001001
311101100100111210212020112112
413212121000033331003021
513340111400413442023
6155031002014352105
710016561413241444
oct746310017750311
9141310453766475
1033424513421513
11a7172904a6575
1238b9a89abb635
131585bc207a916
14837a7dd2c65b
153ce6ad022478
hex1e66403fd0c9

33424513421513 has 2 divisors, whose sum is σ = 33424513421514. Its totient is φ = 33424513421512.

The previous prime is 33424513421399. The next prime is 33424513421539. The reversal of 33424513421513 is 31512431542433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21787497973264 + 11637015448249 = 4667708^2 + 3411307^2 .

It is an emirp because it is prime and its reverse (31512431542433) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33424513421513 is a prime.

It is a super-2 number, since 2×334245134215132 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33424513421543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16712256710756 + 16712256710757.

It is an arithmetic number, because the mean of its divisors is an integer number (16712256710757).

Almost surely, 233424513421513 is an apocalyptic number.

It is an amenable number.

33424513421513 is a deficient number, since it is larger than the sum of its proper divisors (1).

33424513421513 is an equidigital number, since it uses as much as digits as its factorization.

33424513421513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 41.

Adding to 33424513421513 its reverse (31512431542433), we get a palindrome (64936944963946).

The spelling of 33424513421513 in words is "thirty-three trillion, four hundred twenty-four billion, five hundred thirteen million, four hundred twenty-one thousand, five hundred thirteen".